Home / 23,127.66-31,885.25-16,763.49

Finding the Fourth Proportional to 23,127.66, 31,885.25 and 16,763.49

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Solution

The fourth proportional to 23,127.66, 31,885.25 and 16,763.49 is: 23,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.66 : 31,885.25 = 16,763.49 : x
  2. Step 2: Convert to fraction form
    23,127.66/31,885.25 = 16,763.49/x
  3. Step 3: Cross multiply
    23,127.66x = 31,885.25 × 16,763.49
  4. Step 4: Simplify right side
    23,127.66x = 534,507,985.71
  5. Step 5: Solve for x
    x = 534,507,985.71/23,127.66
  6. Step 6: Final answer
    x = 23,111.20

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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.