Home / 20,598.68-28,411.08-13,522.52

Finding the Fourth Proportional to 20,598.68, 28,411.08 and 13,522.52

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Solution

The fourth proportional to 20,598.68, 28,411.08 and 13,522.52 is: 18,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.68 : 28,411.08 = 13,522.52 : x
  2. Step 2: Convert to fraction form
    20,598.68/28,411.08 = 13,522.52/x
  3. Step 3: Cross multiply
    20,598.68x = 28,411.08 × 13,522.52
  4. Step 4: Simplify right side
    20,598.68x = 384,189,397.52
  5. Step 5: Solve for x
    x = 384,189,397.52/20,598.68
  6. Step 6: Final answer
    x = 18,651.17

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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.