Home / 13,132.84-18,116.48-8,598.12

Finding the Fourth Proportional to 13,132.84, 18,116.48 and 8,598.12

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Solution

The fourth proportional to 13,132.84, 18,116.48 and 8,598.12 is: 11,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.84 : 18,116.48 = 8,598.12 : x
  2. Step 2: Convert to fraction form
    13,132.84/18,116.48 = 8,598.12/x
  3. Step 3: Cross multiply
    13,132.84x = 18,116.48 × 8,598.12
  4. Step 4: Simplify right side
    13,132.84x = 155,767,669.02
  5. Step 5: Solve for x
    x = 155,767,669.02/13,132.84
  6. Step 6: Final answer
    x = 11,860.93

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Double scale
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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.