Home / 22,913.38-31,622.65-13,961.72

Finding the Fourth Proportional to 22,913.38, 31,622.65 and 13,961.72

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Solution

The fourth proportional to 22,913.38, 31,622.65 and 13,961.72 is: 19,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,913.38 : 31,622.65 = 13,961.72 : x
  2. Step 2: Convert to fraction form
    22,913.38/31,622.65 = 13,961.72/x
  3. Step 3: Cross multiply
    22,913.38x = 31,622.65 × 13,961.72
  4. Step 4: Simplify right side
    22,913.38x = 441,506,529.77
  5. Step 5: Solve for x
    x = 441,506,529.77/22,913.38
  6. Step 6: Final answer
    x = 19,268.50

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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.