Home / 17,528.61-24,128.10-15,286.53

Finding the Fourth Proportional to 17,528.61, 24,128.10 and 15,286.53

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Solution

The fourth proportional to 17,528.61, 24,128.10 and 15,286.53 is: 21,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,528.61 : 24,128.10 = 15,286.53 : x
  2. Step 2: Convert to fraction form
    17,528.61/24,128.10 = 15,286.53/x
  3. Step 3: Cross multiply
    17,528.61x = 24,128.10 × 15,286.53
  4. Step 4: Simplify right side
    17,528.61x = 368,834,924.49
  5. Step 5: Solve for x
    x = 368,834,924.49/17,528.61
  6. Step 6: Final answer
    x = 21,041.88

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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.