Home / 15,516.40-23,296.20-9,684.40

Finding the Fourth Proportional to 15,516.40, 23,296.20 and 9,684.40

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Solution

The fourth proportional to 15,516.40, 23,296.20 and 9,684.40 is: 14,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.40 : 23,296.20 = 9,684.40 : x
  2. Step 2: Convert to fraction form
    15,516.40/23,296.20 = 9,684.40/x
  3. Step 3: Cross multiply
    15,516.40x = 23,296.20 × 9,684.40
  4. Step 4: Simplify right side
    15,516.40x = 225,609,719.28
  5. Step 5: Solve for x
    x = 225,609,719.28/15,516.40
  6. Step 6: Final answer
    x = 14,540.08

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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.