Home / 13,080.36-18,045.18-8,598.36

Finding the Fourth Proportional to 13,080.36, 18,045.18 and 8,598.36

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Solution

The fourth proportional to 13,080.36, 18,045.18 and 8,598.36 is: 11,861.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.36 : 18,045.18 = 8,598.36 : x
  2. Step 2: Convert to fraction form
    13,080.36/18,045.18 = 8,598.36/x
  3. Step 3: Cross multiply
    13,080.36x = 18,045.18 × 8,598.36
  4. Step 4: Simplify right side
    13,080.36x = 155,158,953.90
  5. Step 5: Solve for x
    x = 155,158,953.90/13,080.36
  6. Step 6: Final answer
    x = 11,861.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.