Home / 21,658.23-32,501.34-14,975.15

Finding the Fourth Proportional to 21,658.23, 32,501.34 and 14,975.15

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Solution

The fourth proportional to 21,658.23, 32,501.34 and 14,975.15 is: 22,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658.23 : 32,501.34 = 14,975.15 : x
  2. Step 2: Convert to fraction form
    21,658.23/32,501.34 = 14,975.15/x
  3. Step 3: Cross multiply
    21,658.23x = 32,501.34 × 14,975.15
  4. Step 4: Simplify right side
    21,658.23x = 486,712,279.19
  5. Step 5: Solve for x
    x = 486,712,279.19/21,658.23
  6. Step 6: Final answer
    x = 22,472.39

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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.