Home / 15,032.50-20,743.43-10,177.35

Finding the Fourth Proportional to 15,032.50, 20,743.43 and 10,177.35

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Solution

The fourth proportional to 15,032.50, 20,743.43 and 10,177.35 is: 14,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.50 : 20,743.43 = 10,177.35 : x
  2. Step 2: Convert to fraction form
    15,032.50/20,743.43 = 10,177.35/x
  3. Step 3: Cross multiply
    15,032.50x = 20,743.43 × 10,177.35
  4. Step 4: Simplify right side
    15,032.50x = 211,113,043.59
  5. Step 5: Solve for x
    x = 211,113,043.59/15,032.50
  6. Step 6: Final answer
    x = 14,043.78

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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.