Home / 16,681.50-23,020.47-10,393.88

Finding the Fourth Proportional to 16,681.50, 23,020.47 and 10,393.88

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Solution

The fourth proportional to 16,681.50, 23,020.47 and 10,393.88 is: 14,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.50 : 23,020.47 = 10,393.88 : x
  2. Step 2: Convert to fraction form
    16,681.50/23,020.47 = 10,393.88/x
  3. Step 3: Cross multiply
    16,681.50x = 23,020.47 × 10,393.88
  4. Step 4: Simplify right side
    16,681.50x = 239,271,887.62
  5. Step 5: Solve for x
    x = 239,271,887.62/16,681.50
  6. Step 6: Final answer
    x = 14,343.55

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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.