Home / 19,013.66-26,237.78-10,515.28

Finding the Fourth Proportional to 19,013.66, 26,237.78 and 10,515.28

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Solution

The fourth proportional to 19,013.66, 26,237.78 and 10,515.28 is: 14,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.66 : 26,237.78 = 10,515.28 : x
  2. Step 2: Convert to fraction form
    19,013.66/26,237.78 = 10,515.28/x
  3. Step 3: Cross multiply
    19,013.66x = 26,237.78 × 10,515.28
  4. Step 4: Simplify right side
    19,013.66x = 275,897,603.28
  5. Step 5: Solve for x
    x = 275,897,603.28/19,013.66
  6. Step 6: Final answer
    x = 14,510.49

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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.