Home / 22,663.79-31,275.48-13,232.35

Finding the Fourth Proportional to 22,663.79, 31,275.48 and 13,232.35

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Solution

The fourth proportional to 22,663.79, 31,275.48 and 13,232.35 is: 18,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.79 : 31,275.48 = 13,232.35 : x
  2. Step 2: Convert to fraction form
    22,663.79/31,275.48 = 13,232.35/x
  3. Step 3: Cross multiply
    22,663.79x = 31,275.48 × 13,232.35
  4. Step 4: Simplify right side
    22,663.79x = 413,848,097.78
  5. Step 5: Solve for x
    x = 413,848,097.78/22,663.79
  6. Step 6: Final answer
    x = 18,260.32

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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.