Home / 14,053.28-19,397.28-8,085.60

Finding the Fourth Proportional to 14,053.28, 19,397.28 and 8,085.60

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Solution

The fourth proportional to 14,053.28, 19,397.28 and 8,085.60 is: 11,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.28 : 19,397.28 = 8,085.60 : x
  2. Step 2: Convert to fraction form
    14,053.28/19,397.28 = 8,085.60/x
  3. Step 3: Cross multiply
    14,053.28x = 19,397.28 × 8,085.60
  4. Step 4: Simplify right side
    14,053.28x = 156,838,647.17
  5. Step 5: Solve for x
    x = 156,838,647.17/14,053.28
  6. Step 6: Final answer
    x = 11,160.29

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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.