Home / 18,541.40-25,584.70-11,374.52

Finding the Fourth Proportional to 18,541.40, 25,584.70 and 11,374.52

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Solution

The fourth proportional to 18,541.40, 25,584.70 and 11,374.52 is: 15,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.40 : 25,584.70 = 11,374.52 : x
  2. Step 2: Convert to fraction form
    18,541.40/25,584.70 = 11,374.52/x
  3. Step 3: Cross multiply
    18,541.40x = 25,584.70 × 11,374.52
  4. Step 4: Simplify right side
    18,541.40x = 291,013,681.84
  5. Step 5: Solve for x
    x = 291,013,681.84/18,541.40
  6. Step 6: Final answer
    x = 15,695.35

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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.