Home / 31,598.19-47,405.93-13,825.62

Finding the Fourth Proportional to 31,598.19, 47,405.93 and 13,825.62

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Solution

The fourth proportional to 31,598.19, 47,405.93 and 13,825.62 is: 20,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,598.19 : 47,405.93 = 13,825.62 : x
  2. Step 2: Convert to fraction form
    31,598.19/47,405.93 = 13,825.62/x
  3. Step 3: Cross multiply
    31,598.19x = 47,405.93 × 13,825.62
  4. Step 4: Simplify right side
    31,598.19x = 655,416,304.80
  5. Step 5: Solve for x
    x = 655,416,304.80/31,598.19
  6. Step 6: Final answer
    x = 20,742.21

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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.