Home / 25,852.47-38,778.87-14,159.31

Finding the Fourth Proportional to 25,852.47, 38,778.87 and 14,159.31

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Solution

The fourth proportional to 25,852.47, 38,778.87 and 14,159.31 is: 21,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,852.47 : 38,778.87 = 14,159.31 : x
  2. Step 2: Convert to fraction form
    25,852.47/38,778.87 = 14,159.31/x
  3. Step 3: Cross multiply
    25,852.47x = 38,778.87 × 14,159.31
  4. Step 4: Simplify right side
    25,852.47x = 549,082,041.78
  5. Step 5: Solve for x
    x = 549,082,041.78/25,852.47
  6. Step 6: Final answer
    x = 21,239.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.