Home / 19,013.55-26,238.24-10,515.45

Finding the Fourth Proportional to 19,013.55, 26,238.24 and 10,515.45

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Solution

The fourth proportional to 19,013.55, 26,238.24 and 10,515.45 is: 14,511.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.55 : 26,238.24 = 10,515.45 : x
  2. Step 2: Convert to fraction form
    19,013.55/26,238.24 = 10,515.45/x
  3. Step 3: Cross multiply
    19,013.55x = 26,238.24 × 10,515.45
  4. Step 4: Simplify right side
    19,013.55x = 275,906,900.81
  5. Step 5: Solve for x
    x = 275,906,900.81/19,013.55
  6. Step 6: Final answer
    x = 14,511.07

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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.