Home / 32,865.81-45,357.19-18,718.65

Finding the Fourth Proportional to 32,865.81, 45,357.19 and 18,718.65

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Solution

The fourth proportional to 32,865.81, 45,357.19 and 18,718.65 is: 25,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,865.81 : 45,357.19 = 18,718.65 : x
  2. Step 2: Convert to fraction form
    32,865.81/45,357.19 = 18,718.65/x
  3. Step 3: Cross multiply
    32,865.81x = 45,357.19 × 18,718.65
  4. Step 4: Simplify right side
    32,865.81x = 849,025,387.99
  5. Step 5: Solve for x
    x = 849,025,387.99/32,865.81
  6. Step 6: Final answer
    x = 25,833.09

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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.