Home / 13,055.15-19,586.10-5,657.90

Finding the Fourth Proportional to 13,055.15, 19,586.10 and 5,657.90

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Solution

The fourth proportional to 13,055.15, 19,586.10 and 5,657.90 is: 8,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.15 : 19,586.10 = 5,657.90 : x
  2. Step 2: Convert to fraction form
    13,055.15/19,586.10 = 5,657.90/x
  3. Step 3: Cross multiply
    13,055.15x = 19,586.10 × 5,657.90
  4. Step 4: Simplify right side
    13,055.15x = 110,816,195.19
  5. Step 5: Solve for x
    x = 110,816,195.19/13,055.15
  6. Step 6: Final answer
    x = 8,488.31

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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.