Home / 13,099.52-18,060-10,853.12

Finding the Fourth Proportional to 13,099.52, 18,060 and 10,853.12

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Solution

The fourth proportional to 13,099.52, 18,060 and 10,853.12 is: 14,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.52 : 18,060 = 10,853.12 : x
  2. Step 2: Convert to fraction form
    13,099.52/18,060 = 10,853.12/x
  3. Step 3: Cross multiply
    13,099.52x = 18,060 × 10,853.12
  4. Step 4: Simplify right side
    13,099.52x = 196,007,347.20
  5. Step 5: Solve for x
    x = 196,007,347.20/13,099.52
  6. Step 6: Final answer
    x = 14,962.94

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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.