Home / 13,558.52-20,334.02-6,543.10

Finding the Fourth Proportional to 13,558.52, 20,334.02 and 6,543.10

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Solution

The fourth proportional to 13,558.52, 20,334.02 and 6,543.10 is: 9,812.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.52 : 20,334.02 = 6,543.10 : x
  2. Step 2: Convert to fraction form
    13,558.52/20,334.02 = 6,543.10/x
  3. Step 3: Cross multiply
    13,558.52x = 20,334.02 × 6,543.10
  4. Step 4: Simplify right side
    13,558.52x = 133,047,526.26
  5. Step 5: Solve for x
    x = 133,047,526.26/13,558.52
  6. Step 6: Final answer
    x = 9,812.84

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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.