Home / 19,475.25-26,875.28-10,977.87

Finding the Fourth Proportional to 19,475.25, 26,875.28 and 10,977.87

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Solution

The fourth proportional to 19,475.25, 26,875.28 and 10,977.87 is: 15,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.25 : 26,875.28 = 10,977.87 : x
  2. Step 2: Convert to fraction form
    19,475.25/26,875.28 = 10,977.87/x
  3. Step 3: Cross multiply
    19,475.25x = 26,875.28 × 10,977.87
  4. Step 4: Simplify right side
    19,475.25x = 295,033,275.16
  5. Step 5: Solve for x
    x = 295,033,275.16/19,475.25
  6. Step 6: Final answer
    x = 15,149.14

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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.