Home / 22,476.54-31,031.02-19,985.70

Finding the Fourth Proportional to 22,476.54, 31,031.02 and 19,985.70

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Solution

The fourth proportional to 22,476.54, 31,031.02 and 19,985.70 is: 27,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,476.54 : 31,031.02 = 19,985.70 : x
  2. Step 2: Convert to fraction form
    22,476.54/31,031.02 = 19,985.70/x
  3. Step 3: Cross multiply
    22,476.54x = 31,031.02 × 19,985.70
  4. Step 4: Simplify right side
    22,476.54x = 620,176,656.41
  5. Step 5: Solve for x
    x = 620,176,656.41/22,476.54
  6. Step 6: Final answer
    x = 27,592.18

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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.