Home / 39,611.80-59,423.46-13,324.06

Finding the Fourth Proportional to 39,611.80, 59,423.46 and 13,324.06

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Solution

The fourth proportional to 39,611.80, 59,423.46 and 13,324.06 is: 19,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.80 : 59,423.46 = 13,324.06 : x
  2. Step 2: Convert to fraction form
    39,611.80/59,423.46 = 13,324.06/x
  3. Step 3: Cross multiply
    39,611.80x = 59,423.46 × 13,324.06
  4. Step 4: Simplify right side
    39,611.80x = 791,761,746.45
  5. Step 5: Solve for x
    x = 791,761,746.45/39,611.80
  6. Step 6: Final answer
    x = 19,988.03

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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.