Home / 23,988.56-35,985.40-6,458.64

Finding the Fourth Proportional to 23,988.56, 35,985.40 and 6,458.64

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Solution

The fourth proportional to 23,988.56, 35,985.40 and 6,458.64 is: 9,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.56 : 35,985.40 = 6,458.64 : x
  2. Step 2: Convert to fraction form
    23,988.56/35,985.40 = 6,458.64/x
  3. Step 3: Cross multiply
    23,988.56x = 35,985.40 × 6,458.64
  4. Step 4: Simplify right side
    23,988.56x = 232,416,743.86
  5. Step 5: Solve for x
    x = 232,416,743.86/23,988.56
  6. Step 6: Final answer
    x = 9,688.65

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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.