Home / 21,543.50-32,169.99-17,602.52

Finding the Fourth Proportional to 21,543.50, 32,169.99 and 17,602.52

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Solution

The fourth proportional to 21,543.50, 32,169.99 and 17,602.52 is: 26,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.50 : 32,169.99 = 17,602.52 : x
  2. Step 2: Convert to fraction form
    21,543.50/32,169.99 = 17,602.52/x
  3. Step 3: Cross multiply
    21,543.50x = 32,169.99 × 17,602.52
  4. Step 4: Simplify right side
    21,543.50x = 566,272,797.53
  5. Step 5: Solve for x
    x = 566,272,797.53/21,543.50
  6. Step 6: Final answer
    x = 26,285.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.