Home / 14,428.91-21,646.15-5,543.58

Finding the Fourth Proportional to 14,428.91, 21,646.15 and 5,543.58

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Solution

The fourth proportional to 14,428.91, 21,646.15 and 5,543.58 is: 8,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.91 : 21,646.15 = 5,543.58 : x
  2. Step 2: Convert to fraction form
    14,428.91/21,646.15 = 5,543.58/x
  3. Step 3: Cross multiply
    14,428.91x = 21,646.15 × 5,543.58
  4. Step 4: Simplify right side
    14,428.91x = 119,997,140.95
  5. Step 5: Solve for x
    x = 119,997,140.95/14,428.91
  6. Step 6: Final answer
    x = 8,316.44

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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.