Home / 25,557.79-38,355.32-13,088.25

Finding the Fourth Proportional to 25,557.79, 38,355.32 and 13,088.25

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Solution

The fourth proportional to 25,557.79, 38,355.32 and 13,088.25 is: 19,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.79 : 38,355.32 = 13,088.25 : x
  2. Step 2: Convert to fraction form
    25,557.79/38,355.32 = 13,088.25/x
  3. Step 3: Cross multiply
    25,557.79x = 38,355.32 × 13,088.25
  4. Step 4: Simplify right side
    25,557.79x = 502,004,016.99
  5. Step 5: Solve for x
    x = 502,004,016.99/25,557.79
  6. Step 6: Final answer
    x = 19,641.92

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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.