Home / 16,681.56-23,009.70-10,703.76

Finding the Fourth Proportional to 16,681.56, 23,009.70 and 10,703.76

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Solution

The fourth proportional to 16,681.56, 23,009.70 and 10,703.76 is: 14,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.56 : 23,009.70 = 10,703.76 : x
  2. Step 2: Convert to fraction form
    16,681.56/23,009.70 = 10,703.76/x
  3. Step 3: Cross multiply
    16,681.56x = 23,009.70 × 10,703.76
  4. Step 4: Simplify right side
    16,681.56x = 246,290,306.47
  5. Step 5: Solve for x
    x = 246,290,306.47/16,681.56
  6. Step 6: Final answer
    x = 14,764.23

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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.