Home / 13,154.34-18,157.32-10,470.48

Finding the Fourth Proportional to 13,154.34, 18,157.32 and 10,470.48

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Solution

The fourth proportional to 13,154.34, 18,157.32 and 10,470.48 is: 14,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.34 : 18,157.32 = 10,470.48 : x
  2. Step 2: Convert to fraction form
    13,154.34/18,157.32 = 10,470.48/x
  3. Step 3: Cross multiply
    13,154.34x = 18,157.32 × 10,470.48
  4. Step 4: Simplify right side
    13,154.34x = 190,115,889.96
  5. Step 5: Solve for x
    x = 190,115,889.96/13,154.34
  6. Step 6: Final answer
    x = 14,452.71

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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.