Home / 19,613.48-29,423.75-7,151.00

Finding the Fourth Proportional to 19,613.48, 29,423.75 and 7,151.00

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Solution

The fourth proportional to 19,613.48, 29,423.75 and 7,151.00 is: 10,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.48 : 29,423.75 = 7,151.00 : x
  2. Step 2: Convert to fraction form
    19,613.48/29,423.75 = 7,151.00/x
  3. Step 3: Cross multiply
    19,613.48x = 29,423.75 × 7,151.00
  4. Step 4: Simplify right side
    19,613.48x = 210,409,053.38
  5. Step 5: Solve for x
    x = 210,409,053.38/19,613.48
  6. Step 6: Final answer
    x = 10,727.78

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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.