Home / 19,488.18-29,229.02-7,005.66

Finding the Fourth Proportional to 19,488.18, 29,229.02 and 7,005.66

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Solution

The fourth proportional to 19,488.18, 29,229.02 and 7,005.66 is: 10,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.18 : 29,229.02 = 7,005.66 : x
  2. Step 2: Convert to fraction form
    19,488.18/29,229.02 = 7,005.66/x
  3. Step 3: Cross multiply
    19,488.18x = 29,229.02 × 7,005.66
  4. Step 4: Simplify right side
    19,488.18x = 204,768,576.25
  5. Step 5: Solve for x
    x = 204,768,576.25/19,488.18
  6. Step 6: Final answer
    x = 10,507.32

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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.