Home / 22,462.12-30,998.88-13,030.84

Finding the Fourth Proportional to 22,462.12, 30,998.88 and 13,030.84

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Solution

The fourth proportional to 22,462.12, 30,998.88 and 13,030.84 is: 17,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.12 : 30,998.88 = 13,030.84 : x
  2. Step 2: Convert to fraction form
    22,462.12/30,998.88 = 13,030.84/x
  3. Step 3: Cross multiply
    22,462.12x = 30,998.88 × 13,030.84
  4. Step 4: Simplify right side
    22,462.12x = 403,941,445.46
  5. Step 5: Solve for x
    x = 403,941,445.46/22,462.12
  6. Step 6: Final answer
    x = 17,983.23

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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.