Home / 15,056.83-20,802.05-10,366.12

Finding the Fourth Proportional to 15,056.83, 20,802.05 and 10,366.12

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Solution

The fourth proportional to 15,056.83, 20,802.05 and 10,366.12 is: 14,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.83 : 20,802.05 = 10,366.12 : x
  2. Step 2: Convert to fraction form
    15,056.83/20,802.05 = 10,366.12/x
  3. Step 3: Cross multiply
    15,056.83x = 20,802.05 × 10,366.12
  4. Step 4: Simplify right side
    15,056.83x = 215,636,546.55
  5. Step 5: Solve for x
    x = 215,636,546.55/15,056.83
  6. Step 6: Final answer
    x = 14,321.51

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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.