Home / 25,925.71-38,903.65-10,931.89

Finding the Fourth Proportional to 25,925.71, 38,903.65 and 10,931.89

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Solution

The fourth proportional to 25,925.71, 38,903.65 and 10,931.89 is: 16,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925.71 : 38,903.65 = 10,931.89 : x
  2. Step 2: Convert to fraction form
    25,925.71/38,903.65 = 10,931.89/x
  3. Step 3: Cross multiply
    25,925.71x = 38,903.65 × 10,931.89
  4. Step 4: Simplify right side
    25,925.71x = 425,290,338.80
  5. Step 5: Solve for x
    x = 425,290,338.80/25,925.71
  6. Step 6: Final answer
    x = 16,404.19

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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.