Home / 15,743.95-23,618.49-4,651.76

Finding the Fourth Proportional to 15,743.95, 23,618.49 and 4,651.76

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Solution

The fourth proportional to 15,743.95, 23,618.49 and 4,651.76 is: 6,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.95 : 23,618.49 = 4,651.76 : x
  2. Step 2: Convert to fraction form
    15,743.95/23,618.49 = 4,651.76/x
  3. Step 3: Cross multiply
    15,743.95x = 23,618.49 × 4,651.76
  4. Step 4: Simplify right side
    15,743.95x = 109,867,547.04
  5. Step 5: Solve for x
    x = 109,867,547.04/15,743.95
  6. Step 6: Final answer
    x = 6,978.40

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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.