Home / 19,612.74-29,234.37-18,038.10

Finding the Fourth Proportional to 19,612.74, 29,234.37 and 18,038.10

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Solution

The fourth proportional to 19,612.74, 29,234.37 and 18,038.10 is: 26,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.74 : 29,234.37 = 18,038.10 : x
  2. Step 2: Convert to fraction form
    19,612.74/29,234.37 = 18,038.10/x
  3. Step 3: Cross multiply
    19,612.74x = 29,234.37 × 18,038.10
  4. Step 4: Simplify right side
    19,612.74x = 527,332,489.50
  5. Step 5: Solve for x
    x = 527,332,489.50/19,612.74
  6. Step 6: Final answer
    x = 26,887.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.