Home / 45,188.56-67,782.46-13,598.46

Finding the Fourth Proportional to 45,188.56, 67,782.46 and 13,598.46

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Solution

The fourth proportional to 45,188.56, 67,782.46 and 13,598.46 is: 20,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.56 : 67,782.46 = 13,598.46 : x
  2. Step 2: Convert to fraction form
    45,188.56/67,782.46 = 13,598.46/x
  3. Step 3: Cross multiply
    45,188.56x = 67,782.46 × 13,598.46
  4. Step 4: Simplify right side
    45,188.56x = 921,737,062.51
  5. Step 5: Solve for x
    x = 921,737,062.51/45,188.56
  6. Step 6: Final answer
    x = 20,397.57

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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.