Home / 23,486.74-32,412.45-12,876.28

Finding the Fourth Proportional to 23,486.74, 32,412.45 and 12,876.28

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Solution

The fourth proportional to 23,486.74, 32,412.45 and 12,876.28 is: 17,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,486.74 : 32,412.45 = 12,876.28 : x
  2. Step 2: Convert to fraction form
    23,486.74/32,412.45 = 12,876.28/x
  3. Step 3: Cross multiply
    23,486.74x = 32,412.45 × 12,876.28
  4. Step 4: Simplify right side
    23,486.74x = 417,351,781.69
  5. Step 5: Solve for x
    x = 417,351,781.69/23,486.74
  6. Step 6: Final answer
    x = 17,769.68

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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.