Home / 13,052.23-18,011.82-7,386.87

Finding the Fourth Proportional to 13,052.23, 18,011.82 and 7,386.87

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Solution

The fourth proportional to 13,052.23, 18,011.82 and 7,386.87 is: 10,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.23 : 18,011.82 = 7,386.87 : x
  2. Step 2: Convert to fraction form
    13,052.23/18,011.82 = 7,386.87/x
  3. Step 3: Cross multiply
    13,052.23x = 18,011.82 × 7,386.87
  4. Step 4: Simplify right side
    13,052.23x = 133,050,935.87
  5. Step 5: Solve for x
    x = 133,050,935.87/13,052.23
  6. Step 6: Final answer
    x = 10,193.74

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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.