Home / 22,732.80-31,334.40-18,534.40

Finding the Fourth Proportional to 22,732.80, 31,334.40 and 18,534.40

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Solution

The fourth proportional to 22,732.80, 31,334.40 and 18,534.40 is: 25,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,732.80 : 31,334.40 = 18,534.40 : x
  2. Step 2: Convert to fraction form
    22,732.80/31,334.40 = 18,534.40/x
  3. Step 3: Cross multiply
    22,732.80x = 31,334.40 × 18,534.40
  4. Step 4: Simplify right side
    22,732.80x = 580,764,303.36
  5. Step 5: Solve for x
    x = 580,764,303.36/22,732.80
  6. Step 6: Final answer
    x = 25,547.42

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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.