Home / 22,713.48-31,341.15-13,021.56

Finding the Fourth Proportional to 22,713.48, 31,341.15 and 13,021.56

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Solution

The fourth proportional to 22,713.48, 31,341.15 and 13,021.56 is: 17,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.48 : 31,341.15 = 13,021.56 : x
  2. Step 2: Convert to fraction form
    22,713.48/31,341.15 = 13,021.56/x
  3. Step 3: Cross multiply
    22,713.48x = 31,341.15 × 13,021.56
  4. Step 4: Simplify right side
    22,713.48x = 408,110,665.19
  5. Step 5: Solve for x
    x = 408,110,665.19/22,713.48
  6. Step 6: Final answer
    x = 17,967.77

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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.