Home / 13,532.89-18,663.29-8,497.58

Finding the Fourth Proportional to 13,532.89, 18,663.29 and 8,497.58

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Solution

The fourth proportional to 13,532.89, 18,663.29 and 8,497.58 is: 11,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.89 : 18,663.29 = 8,497.58 : x
  2. Step 2: Convert to fraction form
    13,532.89/18,663.29 = 8,497.58/x
  3. Step 3: Cross multiply
    13,532.89x = 18,663.29 × 8,497.58
  4. Step 4: Simplify right side
    13,532.89x = 158,592,799.84
  5. Step 5: Solve for x
    x = 158,592,799.84/13,532.89
  6. Step 6: Final answer
    x = 11,719.06

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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.