Home / 14,088.18-21,132.95-11,618.49

Finding the Fourth Proportional to 14,088.18, 21,132.95 and 11,618.49

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Solution

The fourth proportional to 14,088.18, 21,132.95 and 11,618.49 is: 17,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.18 : 21,132.95 = 11,618.49 : x
  2. Step 2: Convert to fraction form
    14,088.18/21,132.95 = 11,618.49/x
  3. Step 3: Cross multiply
    14,088.18x = 21,132.95 × 11,618.49
  4. Step 4: Simplify right side
    14,088.18x = 245,532,910.15
  5. Step 5: Solve for x
    x = 245,532,910.15/14,088.18
  6. Step 6: Final answer
    x = 17,428.29

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1.5x scale

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.