Home / 18,953.46-26,155.49-10,997.06

Finding the Fourth Proportional to 18,953.46, 26,155.49 and 10,997.06

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Solution

The fourth proportional to 18,953.46, 26,155.49 and 10,997.06 is: 15,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.46 : 26,155.49 = 10,997.06 : x
  2. Step 2: Convert to fraction form
    18,953.46/26,155.49 = 10,997.06/x
  3. Step 3: Cross multiply
    18,953.46x = 26,155.49 × 10,997.06
  4. Step 4: Simplify right side
    18,953.46x = 287,633,307.10
  5. Step 5: Solve for x
    x = 287,633,307.10/18,953.46
  6. Step 6: Final answer
    x = 15,175.77

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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.