Home / 22,713.99-31,345.06-12,642.26

Finding the Fourth Proportional to 22,713.99, 31,345.06 and 12,642.26

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Solution

The fourth proportional to 22,713.99, 31,345.06 and 12,642.26 is: 17,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.99 : 31,345.06 = 12,642.26 : x
  2. Step 2: Convert to fraction form
    22,713.99/31,345.06 = 12,642.26/x
  3. Step 3: Cross multiply
    22,713.99x = 31,345.06 × 12,642.26
  4. Step 4: Simplify right side
    22,713.99x = 396,272,409.92
  5. Step 5: Solve for x
    x = 396,272,409.92/22,713.99
  6. Step 6: Final answer
    x = 17,446.19

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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.