Home / 17,913.59-26,870.35-4,765.96

Finding the Fourth Proportional to 17,913.59, 26,870.35 and 4,765.96

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Solution

The fourth proportional to 17,913.59, 26,870.35 and 4,765.96 is: 7,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.59 : 26,870.35 = 4,765.96 : x
  2. Step 2: Convert to fraction form
    17,913.59/26,870.35 = 4,765.96/x
  3. Step 3: Cross multiply
    17,913.59x = 26,870.35 × 4,765.96
  4. Step 4: Simplify right side
    17,913.59x = 128,062,934.20
  5. Step 5: Solve for x
    x = 128,062,934.20/17,913.59
  6. Step 6: Final answer
    x = 7,148.93

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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.