Home / 25,205.71-34,781.38-14,598.76

Finding the Fourth Proportional to 25,205.71, 34,781.38 and 14,598.76

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Solution

The fourth proportional to 25,205.71, 34,781.38 and 14,598.76 is: 20,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,205.71 : 34,781.38 = 14,598.76 : x
  2. Step 2: Convert to fraction form
    25,205.71/34,781.38 = 14,598.76/x
  3. Step 3: Cross multiply
    25,205.71x = 34,781.38 × 14,598.76
  4. Step 4: Simplify right side
    25,205.71x = 507,765,019.09
  5. Step 5: Solve for x
    x = 507,765,019.09/25,205.71
  6. Step 6: Final answer
    x = 20,144.84

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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.