Home / 25,048.56-34,565.12-13,715.60

Finding the Fourth Proportional to 25,048.56, 34,565.12 and 13,715.60

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Solution

The fourth proportional to 25,048.56, 34,565.12 and 13,715.60 is: 18,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,048.56 : 34,565.12 = 13,715.60 : x
  2. Step 2: Convert to fraction form
    25,048.56/34,565.12 = 13,715.60/x
  3. Step 3: Cross multiply
    25,048.56x = 34,565.12 × 13,715.60
  4. Step 4: Simplify right side
    25,048.56x = 474,081,359.87
  5. Step 5: Solve for x
    x = 474,081,359.87/25,048.56
  6. Step 6: Final answer
    x = 18,926.49

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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.