Home / 22,707.60-31,331.52-13,271.84

Finding the Fourth Proportional to 22,707.60, 31,331.52 and 13,271.84

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Solution

The fourth proportional to 22,707.60, 31,331.52 and 13,271.84 is: 18,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.60 : 31,331.52 = 13,271.84 : x
  2. Step 2: Convert to fraction form
    22,707.60/31,331.52 = 13,271.84/x
  3. Step 3: Cross multiply
    22,707.60x = 31,331.52 × 13,271.84
  4. Step 4: Simplify right side
    22,707.60x = 415,826,920.40
  5. Step 5: Solve for x
    x = 415,826,920.40/22,707.60
  6. Step 6: Final answer
    x = 18,312.24

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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.