Home / 15,884.16-23,838.40-6,656.64

Finding the Fourth Proportional to 15,884.16, 23,838.40 and 6,656.64

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Solution

The fourth proportional to 15,884.16, 23,838.40 and 6,656.64 is: 9,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,884.16 : 23,838.40 = 6,656.64 : x
  2. Step 2: Convert to fraction form
    15,884.16/23,838.40 = 6,656.64/x
  3. Step 3: Cross multiply
    15,884.16x = 23,838.40 × 6,656.64
  4. Step 4: Simplify right side
    15,884.16x = 158,683,646.98
  5. Step 5: Solve for x
    x = 158,683,646.98/15,884.16
  6. Step 6: Final answer
    x = 9,990.06

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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.