Home / 13,366.05-18,444.65-7,316.43

Finding the Fourth Proportional to 13,366.05, 18,444.65 and 7,316.43

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Solution

The fourth proportional to 13,366.05, 18,444.65 and 7,316.43 is: 10,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.05 : 18,444.65 = 7,316.43 : x
  2. Step 2: Convert to fraction form
    13,366.05/18,444.65 = 7,316.43/x
  3. Step 3: Cross multiply
    13,366.05x = 18,444.65 × 7,316.43
  4. Step 4: Simplify right side
    13,366.05x = 134,948,954.02
  5. Step 5: Solve for x
    x = 134,948,954.02/13,366.05
  6. Step 6: Final answer
    x = 10,096.40

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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.