Home / 14,790.60-20,403.36-10,010.70

Finding the Fourth Proportional to 14,790.60, 20,403.36 and 10,010.70

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Solution

The fourth proportional to 14,790.60, 20,403.36 and 10,010.70 is: 13,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.60 : 20,403.36 = 10,010.70 : x
  2. Step 2: Convert to fraction form
    14,790.60/20,403.36 = 10,010.70/x
  3. Step 3: Cross multiply
    14,790.60x = 20,403.36 × 10,010.70
  4. Step 4: Simplify right side
    14,790.60x = 204,251,915.95
  5. Step 5: Solve for x
    x = 204,251,915.95/14,790.60
  6. Step 6: Final answer
    x = 13,809.58

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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.