Home / 14,578.28-21,862.56-4,714.92

Finding the Fourth Proportional to 14,578.28, 21,862.56 and 4,714.92

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Solution

The fourth proportional to 14,578.28, 21,862.56 and 4,714.92 is: 7,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.28 : 21,862.56 = 4,714.92 : x
  2. Step 2: Convert to fraction form
    14,578.28/21,862.56 = 4,714.92/x
  3. Step 3: Cross multiply
    14,578.28x = 21,862.56 × 4,714.92
  4. Step 4: Simplify right side
    14,578.28x = 103,080,221.40
  5. Step 5: Solve for x
    x = 103,080,221.40/14,578.28
  6. Step 6: Final answer
    x = 7,070.81

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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.