Home / 22,066.71-30,453.45-12,377.07

Finding the Fourth Proportional to 22,066.71, 30,453.45 and 12,377.07

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Solution

The fourth proportional to 22,066.71, 30,453.45 and 12,377.07 is: 17,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,066.71 : 30,453.45 = 12,377.07 : x
  2. Step 2: Convert to fraction form
    22,066.71/30,453.45 = 12,377.07/x
  3. Step 3: Cross multiply
    22,066.71x = 30,453.45 × 12,377.07
  4. Step 4: Simplify right side
    22,066.71x = 376,924,330.12
  5. Step 5: Solve for x
    x = 376,924,330.12/22,066.71
  6. Step 6: Final answer
    x = 17,081.13

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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.