Home / 18,344.74-25,316.04-10,386.76

Finding the Fourth Proportional to 18,344.74, 25,316.04 and 10,386.76

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Solution

The fourth proportional to 18,344.74, 25,316.04 and 10,386.76 is: 14,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.74 : 25,316.04 = 10,386.76 : x
  2. Step 2: Convert to fraction form
    18,344.74/25,316.04 = 10,386.76/x
  3. Step 3: Cross multiply
    18,344.74x = 25,316.04 × 10,386.76
  4. Step 4: Simplify right side
    18,344.74x = 262,951,631.63
  5. Step 5: Solve for x
    x = 262,951,631.63/18,344.74
  6. Step 6: Final answer
    x = 14,333.90

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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.