Home / 55,307.04-82,960.92-13,754.40

Finding the Fourth Proportional to 55,307.04, 82,960.92 and 13,754.40

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Solution

The fourth proportional to 55,307.04, 82,960.92 and 13,754.40 is: 20,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,307.04 : 82,960.92 = 13,754.40 : x
  2. Step 2: Convert to fraction form
    55,307.04/82,960.92 = 13,754.40/x
  3. Step 3: Cross multiply
    55,307.04x = 82,960.92 × 13,754.40
  4. Step 4: Simplify right side
    55,307.04x = 1,141,077,678.05
  5. Step 5: Solve for x
    x = 1,141,077,678.05/55,307.04
  6. Step 6: Final answer
    x = 20,631.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.