Home / 17,913.80-26,870.56-4,767.10

Finding the Fourth Proportional to 17,913.80, 26,870.56 and 4,767.10

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Solution

The fourth proportional to 17,913.80, 26,870.56 and 4,767.10 is: 7,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.80 : 26,870.56 = 4,767.10 : x
  2. Step 2: Convert to fraction form
    17,913.80/26,870.56 = 4,767.10/x
  3. Step 3: Cross multiply
    17,913.80x = 26,870.56 × 4,767.10
  4. Step 4: Simplify right side
    17,913.80x = 128,094,646.58
  5. Step 5: Solve for x
    x = 128,094,646.58/17,913.80
  6. Step 6: Final answer
    x = 7,150.61

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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.