Home / 19,411.38-26,787.58-10,913.47

Finding the Fourth Proportional to 19,411.38, 26,787.58 and 10,913.47

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Solution

The fourth proportional to 19,411.38, 26,787.58 and 10,913.47 is: 15,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.38 : 26,787.58 = 10,913.47 : x
  2. Step 2: Convert to fraction form
    19,411.38/26,787.58 = 10,913.47/x
  3. Step 3: Cross multiply
    19,411.38x = 26,787.58 × 10,913.47
  4. Step 4: Simplify right side
    19,411.38x = 292,345,356.45
  5. Step 5: Solve for x
    x = 292,345,356.45/19,411.38
  6. Step 6: Final answer
    x = 15,060.51

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1.5x scale

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.