Home / 22,899.27-31,547.03-21,521.46

Finding the Fourth Proportional to 22,899.27, 31,547.03 and 21,521.46

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Solution

The fourth proportional to 22,899.27, 31,547.03 and 21,521.46 is: 29,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,899.27 : 31,547.03 = 21,521.46 : x
  2. Step 2: Convert to fraction form
    22,899.27/31,547.03 = 21,521.46/x
  3. Step 3: Cross multiply
    22,899.27x = 31,547.03 × 21,521.46
  4. Step 4: Simplify right side
    22,899.27x = 678,937,986.53
  5. Step 5: Solve for x
    x = 678,937,986.53/22,899.27
  6. Step 6: Final answer
    x = 29,648.90

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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.