Home / 22,207.12-30,646.56-12,776.56

Finding the Fourth Proportional to 22,207.12, 30,646.56 and 12,776.56

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Solution

The fourth proportional to 22,207.12, 30,646.56 and 12,776.56 is: 17,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.12 : 30,646.56 = 12,776.56 : x
  2. Step 2: Convert to fraction form
    22,207.12/30,646.56 = 12,776.56/x
  3. Step 3: Cross multiply
    22,207.12x = 30,646.56 × 12,776.56
  4. Step 4: Simplify right side
    22,207.12x = 391,557,612.63
  5. Step 5: Solve for x
    x = 391,557,612.63/22,207.12
  6. Step 6: Final answer
    x = 17,632.08

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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.