Home / 17,780.20-24,531.78-10,328.20

Finding the Fourth Proportional to 17,780.20, 24,531.78 and 10,328.20

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Solution

The fourth proportional to 17,780.20, 24,531.78 and 10,328.20 is: 14,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.20 : 24,531.78 = 10,328.20 : x
  2. Step 2: Convert to fraction form
    17,780.20/24,531.78 = 10,328.20/x
  3. Step 3: Cross multiply
    17,780.20x = 24,531.78 × 10,328.20
  4. Step 4: Simplify right side
    17,780.20x = 253,369,130.20
  5. Step 5: Solve for x
    x = 253,369,130.20/17,780.20
  6. Step 6: Final answer
    x = 14,250.07

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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.