Home / 14,358.20-21,543.54-5,590.06

Finding the Fourth Proportional to 14,358.20, 21,543.54 and 5,590.06

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Solution

The fourth proportional to 14,358.20, 21,543.54 and 5,590.06 is: 8,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.20 : 21,543.54 = 5,590.06 : x
  2. Step 2: Convert to fraction form
    14,358.20/21,543.54 = 5,590.06/x
  3. Step 3: Cross multiply
    14,358.20x = 21,543.54 × 5,590.06
  4. Step 4: Simplify right side
    14,358.20x = 120,429,681.21
  5. Step 5: Solve for x
    x = 120,429,681.21/14,358.20
  6. Step 6: Final answer
    x = 8,387.52

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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.