Home / 29,557.65-40,785.89-18,803.76

Finding the Fourth Proportional to 29,557.65, 40,785.89 and 18,803.76

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Solution

The fourth proportional to 29,557.65, 40,785.89 and 18,803.76 is: 25,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,557.65 : 40,785.89 = 18,803.76 : x
  2. Step 2: Convert to fraction form
    29,557.65/40,785.89 = 18,803.76/x
  3. Step 3: Cross multiply
    29,557.65x = 40,785.89 × 18,803.76
  4. Step 4: Simplify right side
    29,557.65x = 766,927,992.93
  5. Step 5: Solve for x
    x = 766,927,992.93/29,557.65
  6. Step 6: Final answer
    x = 25,946.85

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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.