Home / 25,921.48-38,890.38-9,281.16

Finding the Fourth Proportional to 25,921.48, 38,890.38 and 9,281.16

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Solution

The fourth proportional to 25,921.48, 38,890.38 and 9,281.16 is: 13,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921.48 : 38,890.38 = 9,281.16 : x
  2. Step 2: Convert to fraction form
    25,921.48/38,890.38 = 9,281.16/x
  3. Step 3: Cross multiply
    25,921.48x = 38,890.38 × 9,281.16
  4. Step 4: Simplify right side
    25,921.48x = 360,947,839.24
  5. Step 5: Solve for x
    x = 360,947,839.24/25,921.48
  6. Step 6: Final answer
    x = 13,924.66

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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.