Home / 15,966.86-22,033.96-10,001.81

Finding the Fourth Proportional to 15,966.86, 22,033.96 and 10,001.81

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Solution

The fourth proportional to 15,966.86, 22,033.96 and 10,001.81 is: 13,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.86 : 22,033.96 = 10,001.81 : x
  2. Step 2: Convert to fraction form
    15,966.86/22,033.96 = 10,001.81/x
  3. Step 3: Cross multiply
    15,966.86x = 22,033.96 × 10,001.81
  4. Step 4: Simplify right side
    15,966.86x = 220,379,511.55
  5. Step 5: Solve for x
    x = 220,379,511.55/15,966.86
  6. Step 6: Final answer
    x = 13,802.31

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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.