Home / 18,343.73-25,314.27-10,386.69

Finding the Fourth Proportional to 18,343.73, 25,314.27 and 10,386.69

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Solution

The fourth proportional to 18,343.73, 25,314.27 and 10,386.69 is: 14,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.73 : 25,314.27 = 10,386.69 : x
  2. Step 2: Convert to fraction form
    18,343.73/25,314.27 = 10,386.69/x
  3. Step 3: Cross multiply
    18,343.73x = 25,314.27 × 10,386.69
  4. Step 4: Simplify right side
    18,343.73x = 262,931,475.07
  5. Step 5: Solve for x
    x = 262,931,475.07/18,343.73
  6. Step 6: Final answer
    x = 14,333.59

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Double scale
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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.