Home / 29,324.76-40,430.10-18,695.94

Finding the Fourth Proportional to 29,324.76, 40,430.10 and 18,695.94

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Solution

The fourth proportional to 29,324.76, 40,430.10 and 18,695.94 is: 25,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,324.76 : 40,430.10 = 18,695.94 : x
  2. Step 2: Convert to fraction form
    29,324.76/40,430.10 = 18,695.94/x
  3. Step 3: Cross multiply
    29,324.76x = 40,430.10 × 18,695.94
  4. Step 4: Simplify right side
    29,324.76x = 755,878,723.79
  5. Step 5: Solve for x
    x = 755,878,723.79/29,324.76
  6. Step 6: Final answer
    x = 25,776.13

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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.