Home / 23,135.09-31,925.97-15,176.84

Finding the Fourth Proportional to 23,135.09, 31,925.97 and 15,176.84

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Solution

The fourth proportional to 23,135.09, 31,925.97 and 15,176.84 is: 20,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.09 : 31,925.97 = 15,176.84 : x
  2. Step 2: Convert to fraction form
    23,135.09/31,925.97 = 15,176.84/x
  3. Step 3: Cross multiply
    23,135.09x = 31,925.97 × 15,176.84
  4. Step 4: Simplify right side
    23,135.09x = 484,535,178.90
  5. Step 5: Solve for x
    x = 484,535,178.90/23,135.09
  6. Step 6: Final answer
    x = 20,943.74

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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.