Home / 22,925.40-31,650.85-14,980.92

Finding the Fourth Proportional to 22,925.40, 31,650.85 and 14,980.92

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Solution

The fourth proportional to 22,925.40, 31,650.85 and 14,980.92 is: 20,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,925.40 : 31,650.85 = 14,980.92 : x
  2. Step 2: Convert to fraction form
    22,925.40/31,650.85 = 14,980.92/x
  3. Step 3: Cross multiply
    22,925.40x = 31,650.85 × 14,980.92
  4. Step 4: Simplify right side
    22,925.40x = 474,158,851.78
  5. Step 5: Solve for x
    x = 474,158,851.78/22,925.40
  6. Step 6: Final answer
    x = 20,682.69

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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.