Home / 23,278.48-32,124.89-12,668.70

Finding the Fourth Proportional to 23,278.48, 32,124.89 and 12,668.70

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Solution

The fourth proportional to 23,278.48, 32,124.89 and 12,668.70 is: 17,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.48 : 32,124.89 = 12,668.70 : x
  2. Step 2: Convert to fraction form
    23,278.48/32,124.89 = 12,668.70/x
  3. Step 3: Cross multiply
    23,278.48x = 32,124.89 × 12,668.70
  4. Step 4: Simplify right side
    23,278.48x = 406,980,593.94
  5. Step 5: Solve for x
    x = 406,980,593.94/23,278.48
  6. Step 6: Final answer
    x = 17,483.13

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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.