Home / 25,231.16-34,818.48-15,804.92

Finding the Fourth Proportional to 25,231.16, 34,818.48 and 15,804.92

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Solution

The fourth proportional to 25,231.16, 34,818.48 and 15,804.92 is: 21,810.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.16 : 34,818.48 = 15,804.92 : x
  2. Step 2: Convert to fraction form
    25,231.16/34,818.48 = 15,804.92/x
  3. Step 3: Cross multiply
    25,231.16x = 34,818.48 × 15,804.92
  4. Step 4: Simplify right side
    25,231.16x = 550,303,290.92
  5. Step 5: Solve for x
    x = 550,303,290.92/25,231.16
  6. Step 6: Final answer
    x = 21,810.46

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Half scale
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Double scale
Find fourth proportional to 25,232.16, 34,819.86 and 15,805.92
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.