Home / 14,948.40-22,422.60-12,615.60

Finding the Fourth Proportional to 14,948.40, 22,422.60 and 12,615.60

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Solution

The fourth proportional to 14,948.40, 22,422.60 and 12,615.60 is: 18,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.40 : 22,422.60 = 12,615.60 : x
  2. Step 2: Convert to fraction form
    14,948.40/22,422.60 = 12,615.60/x
  3. Step 3: Cross multiply
    14,948.40x = 22,422.60 × 12,615.60
  4. Step 4: Simplify right side
    14,948.40x = 282,874,552.56
  5. Step 5: Solve for x
    x = 282,874,552.56/14,948.40
  6. Step 6: Final answer
    x = 18,923.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.