Home / 22,627.71-31,205.76-14,130.60

Finding the Fourth Proportional to 22,627.71, 31,205.76 and 14,130.60

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Solution

The fourth proportional to 22,627.71, 31,205.76 and 14,130.60 is: 19,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,627.71 : 31,205.76 = 14,130.60 : x
  2. Step 2: Convert to fraction form
    22,627.71/31,205.76 = 14,130.60/x
  3. Step 3: Cross multiply
    22,627.71x = 31,205.76 × 14,130.60
  4. Step 4: Simplify right side
    22,627.71x = 440,956,112.26
  5. Step 5: Solve for x
    x = 440,956,112.26/22,627.71
  6. Step 6: Final answer
    x = 19,487.44

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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.