Home / 19,012.16-26,235.70-10,513.78

Finding the Fourth Proportional to 19,012.16, 26,235.70 and 10,513.78

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Solution

The fourth proportional to 19,012.16, 26,235.70 and 10,513.78 is: 14,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.16 : 26,235.70 = 10,513.78 : x
  2. Step 2: Convert to fraction form
    19,012.16/26,235.70 = 10,513.78/x
  3. Step 3: Cross multiply
    19,012.16x = 26,235.70 × 10,513.78
  4. Step 4: Simplify right side
    19,012.16x = 275,836,377.95
  5. Step 5: Solve for x
    x = 275,836,377.95/19,012.16
  6. Step 6: Final answer
    x = 14,508.42

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Double scale
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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.