Home / 22,165.04-30,582.29-13,549.02

Finding the Fourth Proportional to 22,165.04, 30,582.29 and 13,549.02

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Solution

The fourth proportional to 22,165.04, 30,582.29 and 13,549.02 is: 18,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.04 : 30,582.29 = 13,549.02 : x
  2. Step 2: Convert to fraction form
    22,165.04/30,582.29 = 13,549.02/x
  3. Step 3: Cross multiply
    22,165.04x = 30,582.29 × 13,549.02
  4. Step 4: Simplify right side
    22,165.04x = 414,359,991.11
  5. Step 5: Solve for x
    x = 414,359,991.11/22,165.04
  6. Step 6: Final answer
    x = 18,694.31

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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.