Home / 16,802.40-23,187.13-11,764.79

Finding the Fourth Proportional to 16,802.40, 23,187.13 and 11,764.79

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Solution

The fourth proportional to 16,802.40, 23,187.13 and 11,764.79 is: 16,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.40 : 23,187.13 = 11,764.79 : x
  2. Step 2: Convert to fraction form
    16,802.40/23,187.13 = 11,764.79/x
  3. Step 3: Cross multiply
    16,802.40x = 23,187.13 × 11,764.79
  4. Step 4: Simplify right side
    16,802.40x = 272,791,715.15
  5. Step 5: Solve for x
    x = 272,791,715.15/16,802.40
  6. Step 6: Final answer
    x = 16,235.28

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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.