Home / 23,154.66-31,952.88-13,081.50

Finding the Fourth Proportional to 23,154.66, 31,952.88 and 13,081.50

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Solution

The fourth proportional to 23,154.66, 31,952.88 and 13,081.50 is: 18,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.66 : 31,952.88 = 13,081.50 : x
  2. Step 2: Convert to fraction form
    23,154.66/31,952.88 = 13,081.50/x
  3. Step 3: Cross multiply
    23,154.66x = 31,952.88 × 13,081.50
  4. Step 4: Simplify right side
    23,154.66x = 417,991,599.72
  5. Step 5: Solve for x
    x = 417,991,599.72/23,154.66
  6. Step 6: Final answer
    x = 18,052.16

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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.