Home / 12,943.73-19,387.13-10,697.10

Finding the Fourth Proportional to 12,943.73, 19,387.13 and 10,697.10

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Solution

The fourth proportional to 12,943.73, 19,387.13 and 10,697.10 is: 16,022.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.73 : 19,387.13 = 10,697.10 : x
  2. Step 2: Convert to fraction form
    12,943.73/19,387.13 = 10,697.10/x
  3. Step 3: Cross multiply
    12,943.73x = 19,387.13 × 10,697.10
  4. Step 4: Simplify right side
    12,943.73x = 207,386,129.22
  5. Step 5: Solve for x
    x = 207,386,129.22/12,943.73
  6. Step 6: Final answer
    x = 16,022.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.