Home / 19,472.48-29,211.53-6,140.95

Finding the Fourth Proportional to 19,472.48, 29,211.53 and 6,140.95

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Solution

The fourth proportional to 19,472.48, 29,211.53 and 6,140.95 is: 9,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.48 : 29,211.53 = 6,140.95 : x
  2. Step 2: Convert to fraction form
    19,472.48/29,211.53 = 6,140.95/x
  3. Step 3: Cross multiply
    19,472.48x = 29,211.53 × 6,140.95
  4. Step 4: Simplify right side
    19,472.48x = 179,386,545.15
  5. Step 5: Solve for x
    x = 179,386,545.15/19,472.48
  6. Step 6: Final answer
    x = 9,212.31

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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.