Home / 22,526.72-31,087.08-12,454.64

Finding the Fourth Proportional to 22,526.72, 31,087.08 and 12,454.64

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Solution

The fourth proportional to 22,526.72, 31,087.08 and 12,454.64 is: 17,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,526.72 : 31,087.08 = 12,454.64 : x
  2. Step 2: Convert to fraction form
    22,526.72/31,087.08 = 12,454.64/x
  3. Step 3: Cross multiply
    22,526.72x = 31,087.08 × 12,454.64
  4. Step 4: Simplify right side
    22,526.72x = 387,178,390.05
  5. Step 5: Solve for x
    x = 387,178,390.05/22,526.72
  6. Step 6: Final answer
    x = 17,187.52

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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.