Home / 39,904.65-59,848.68-11,818.12

Finding the Fourth Proportional to 39,904.65, 59,848.68 and 11,818.12

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Solution

The fourth proportional to 39,904.65, 59,848.68 and 11,818.12 is: 17,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.65 : 59,848.68 = 11,818.12 : x
  2. Step 2: Convert to fraction form
    39,904.65/59,848.68 = 11,818.12/x
  3. Step 3: Cross multiply
    39,904.65x = 59,848.68 × 11,818.12
  4. Step 4: Simplify right side
    39,904.65x = 707,298,882.08
  5. Step 5: Solve for x
    x = 707,298,882.08/39,904.65
  6. Step 6: Final answer
    x = 17,724.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.