Home / 22,618.24-31,213.36-12,547.34

Finding the Fourth Proportional to 22,618.24, 31,213.36 and 12,547.34

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Solution

The fourth proportional to 22,618.24, 31,213.36 and 12,547.34 is: 17,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.24 : 31,213.36 = 12,547.34 : x
  2. Step 2: Convert to fraction form
    22,618.24/31,213.36 = 12,547.34/x
  3. Step 3: Cross multiply
    22,618.24x = 31,213.36 × 12,547.34
  4. Step 4: Simplify right side
    22,618.24x = 391,644,484.40
  5. Step 5: Solve for x
    x = 391,644,484.40/22,618.24
  6. Step 6: Final answer
    x = 17,315.43

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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.