Home / 22,547.96-31,115.40-12,476.24

Finding the Fourth Proportional to 22,547.96, 31,115.40 and 12,476.24

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Solution

The fourth proportional to 22,547.96, 31,115.40 and 12,476.24 is: 17,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,547.96 : 31,115.40 = 12,476.24 : x
  2. Step 2: Convert to fraction form
    22,547.96/31,115.40 = 12,476.24/x
  3. Step 3: Cross multiply
    22,547.96x = 31,115.40 × 12,476.24
  4. Step 4: Simplify right side
    22,547.96x = 388,203,198.10
  5. Step 5: Solve for x
    x = 388,203,198.10/22,547.96
  6. Step 6: Final answer
    x = 17,216.78

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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.