Home / 15,573.60-23,364.12-5,185.44

Finding the Fourth Proportional to 15,573.60, 23,364.12 and 5,185.44

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Solution

The fourth proportional to 15,573.60, 23,364.12 and 5,185.44 is: 7,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.60 : 23,364.12 = 5,185.44 : x
  2. Step 2: Convert to fraction form
    15,573.60/23,364.12 = 5,185.44/x
  3. Step 3: Cross multiply
    15,573.60x = 23,364.12 × 5,185.44
  4. Step 4: Simplify right side
    15,573.60x = 121,153,242.41
  5. Step 5: Solve for x
    x = 121,153,242.41/15,573.60
  6. Step 6: Final answer
    x = 7,779.40

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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.