Home / 45,503.34-68,255.19-13,913.30

Finding the Fourth Proportional to 45,503.34, 68,255.19 and 13,913.30

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Solution

The fourth proportional to 45,503.34, 68,255.19 and 13,913.30 is: 20,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,503.34 : 68,255.19 = 13,913.30 : x
  2. Step 2: Convert to fraction form
    45,503.34/68,255.19 = 13,913.30/x
  3. Step 3: Cross multiply
    45,503.34x = 68,255.19 × 13,913.30
  4. Step 4: Simplify right side
    45,503.34x = 949,654,593.75
  5. Step 5: Solve for x
    x = 949,654,593.75/45,503.34
  6. Step 6: Final answer
    x = 20,870.00

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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.