Home / 25,724.79-38,587.32-9,085.10

Finding the Fourth Proportional to 25,724.79, 38,587.32 and 9,085.10

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Solution

The fourth proportional to 25,724.79, 38,587.32 and 9,085.10 is: 13,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.79 : 38,587.32 = 9,085.10 : x
  2. Step 2: Convert to fraction form
    25,724.79/38,587.32 = 9,085.10/x
  3. Step 3: Cross multiply
    25,724.79x = 38,587.32 × 9,085.10
  4. Step 4: Simplify right side
    25,724.79x = 350,569,468.00
  5. Step 5: Solve for x
    x = 350,569,468.00/25,724.79
  6. Step 6: Final answer
    x = 13,627.69

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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.