Home / 29,680.52-40,962.37-18,925.76

Finding the Fourth Proportional to 29,680.52, 40,962.37 and 18,925.76

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Solution

The fourth proportional to 29,680.52, 40,962.37 and 18,925.76 is: 26,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680.52 : 40,962.37 = 18,925.76 : x
  2. Step 2: Convert to fraction form
    29,680.52/40,962.37 = 18,925.76/x
  3. Step 3: Cross multiply
    29,680.52x = 40,962.37 × 18,925.76
  4. Step 4: Simplify right side
    29,680.52x = 775,243,983.65
  5. Step 5: Solve for x
    x = 775,243,983.65/29,680.52
  6. Step 6: Final answer
    x = 26,119.62

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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.