Home / 22,838.28-31,499.44-19,656.88

Finding the Fourth Proportional to 22,838.28, 31,499.44 and 19,656.88

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Solution

The fourth proportional to 22,838.28, 31,499.44 and 19,656.88 is: 27,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,838.28 : 31,499.44 = 19,656.88 : x
  2. Step 2: Convert to fraction form
    22,838.28/31,499.44 = 19,656.88/x
  3. Step 3: Cross multiply
    22,838.28x = 31,499.44 × 19,656.88
  4. Step 4: Simplify right side
    22,838.28x = 619,180,712.15
  5. Step 5: Solve for x
    x = 619,180,712.15/22,838.28
  6. Step 6: Final answer
    x = 27,111.53

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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.