Home / 26,356.10-39,519.97-11,547.78

Finding the Fourth Proportional to 26,356.10, 39,519.97 and 11,547.78

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Solution

The fourth proportional to 26,356.10, 39,519.97 and 11,547.78 is: 17,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,356.10 : 39,519.97 = 11,547.78 : x
  2. Step 2: Convert to fraction form
    26,356.10/39,519.97 = 11,547.78/x
  3. Step 3: Cross multiply
    26,356.10x = 39,519.97 × 11,547.78
  4. Step 4: Simplify right side
    26,356.10x = 456,367,742.10
  5. Step 5: Solve for x
    x = 456,367,742.10/26,356.10
  6. Step 6: Final answer
    x = 17,315.45

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1.5x scale

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.