Home / 19,122.16-26,377.86-12,036.28

Finding the Fourth Proportional to 19,122.16, 26,377.86 and 12,036.28

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Solution

The fourth proportional to 19,122.16, 26,377.86 and 12,036.28 is: 16,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.16 : 26,377.86 = 12,036.28 : x
  2. Step 2: Convert to fraction form
    19,122.16/26,377.86 = 12,036.28/x
  3. Step 3: Cross multiply
    19,122.16x = 26,377.86 × 12,036.28
  4. Step 4: Simplify right side
    19,122.16x = 317,491,308.76
  5. Step 5: Solve for x
    x = 317,491,308.76/19,122.16
  6. Step 6: Final answer
    x = 16,603.32

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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.