Home / 17,943.66-24,761.70-9,985.68

Finding the Fourth Proportional to 17,943.66, 24,761.70 and 9,985.68

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Solution

The fourth proportional to 17,943.66, 24,761.70 and 9,985.68 is: 13,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.66 : 24,761.70 = 9,985.68 : x
  2. Step 2: Convert to fraction form
    17,943.66/24,761.70 = 9,985.68/x
  3. Step 3: Cross multiply
    17,943.66x = 24,761.70 × 9,985.68
  4. Step 4: Simplify right side
    17,943.66x = 247,262,412.46
  5. Step 5: Solve for x
    x = 247,262,412.46/17,943.66
  6. Step 6: Final answer
    x = 13,779.93

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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.