Home / 13,655.04-20,487.46-5,341.02

Finding the Fourth Proportional to 13,655.04, 20,487.46 and 5,341.02

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Solution

The fourth proportional to 13,655.04, 20,487.46 and 5,341.02 is: 8,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.04 : 20,487.46 = 5,341.02 : x
  2. Step 2: Convert to fraction form
    13,655.04/20,487.46 = 5,341.02/x
  3. Step 3: Cross multiply
    13,655.04x = 20,487.46 × 5,341.02
  4. Step 4: Simplify right side
    13,655.04x = 109,423,953.66
  5. Step 5: Solve for x
    x = 109,423,953.66/13,655.04
  6. Step 6: Final answer
    x = 8,013.45

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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.