Home / 23,278.39-32,124.85-12,668.69

Finding the Fourth Proportional to 23,278.39, 32,124.85 and 12,668.69

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Solution

The fourth proportional to 23,278.39, 32,124.85 and 12,668.69 is: 17,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.39 : 32,124.85 = 12,668.69 : x
  2. Step 2: Convert to fraction form
    23,278.39/32,124.85 = 12,668.69/x
  3. Step 3: Cross multiply
    23,278.39x = 32,124.85 × 12,668.69
  4. Step 4: Simplify right side
    23,278.39x = 406,979,814.59
  5. Step 5: Solve for x
    x = 406,979,814.59/23,278.39
  6. Step 6: Final answer
    x = 17,483.16

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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.