Home / 23,182.35-31,991.66-12,572.02

Finding the Fourth Proportional to 23,182.35, 31,991.66 and 12,572.02

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Solution

The fourth proportional to 23,182.35, 31,991.66 and 12,572.02 is: 17,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.35 : 31,991.66 = 12,572.02 : x
  2. Step 2: Convert to fraction form
    23,182.35/31,991.66 = 12,572.02/x
  3. Step 3: Cross multiply
    23,182.35x = 31,991.66 × 12,572.02
  4. Step 4: Simplify right side
    23,182.35x = 402,199,789.35
  5. Step 5: Solve for x
    x = 402,199,789.35/23,182.35
  6. Step 6: Final answer
    x = 17,349.40

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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.