Home / 22,985.49-31,723.67-21,484.66

Finding the Fourth Proportional to 22,985.49, 31,723.67 and 21,484.66

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Solution

The fourth proportional to 22,985.49, 31,723.67 and 21,484.66 is: 29,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.49 : 31,723.67 = 21,484.66 : x
  2. Step 2: Convert to fraction form
    22,985.49/31,723.67 = 21,484.66/x
  3. Step 3: Cross multiply
    22,985.49x = 31,723.67 × 21,484.66
  4. Step 4: Simplify right side
    22,985.49x = 681,572,263.90
  5. Step 5: Solve for x
    x = 681,572,263.90/22,985.49
  6. Step 6: Final answer
    x = 29,652.28

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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.