Home / 15,799.60-21,795.60-10,487.62

Finding the Fourth Proportional to 15,799.60, 21,795.60 and 10,487.62

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Solution

The fourth proportional to 15,799.60, 21,795.60 and 10,487.62 is: 14,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.60 : 21,795.60 = 10,487.62 : x
  2. Step 2: Convert to fraction form
    15,799.60/21,795.60 = 10,487.62/x
  3. Step 3: Cross multiply
    15,799.60x = 21,795.60 × 10,487.62
  4. Step 4: Simplify right side
    15,799.60x = 228,583,970.47
  5. Step 5: Solve for x
    x = 228,583,970.47/15,799.60
  6. Step 6: Final answer
    x = 14,467.71

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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.