Home / 15,982.40-23,973.60-4,296.80

Finding the Fourth Proportional to 15,982.40, 23,973.60 and 4,296.80

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Solution

The fourth proportional to 15,982.40, 23,973.60 and 4,296.80 is: 6,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.40 : 23,973.60 = 4,296.80 : x
  2. Step 2: Convert to fraction form
    15,982.40/23,973.60 = 4,296.80/x
  3. Step 3: Cross multiply
    15,982.40x = 23,973.60 × 4,296.80
  4. Step 4: Simplify right side
    15,982.40x = 103,009,764.48
  5. Step 5: Solve for x
    x = 103,009,764.48/15,982.40
  6. Step 6: Final answer
    x = 6,445.20

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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.