Home / 19,147.39-26,423.16-10,763.89

Finding the Fourth Proportional to 19,147.39, 26,423.16 and 10,763.89

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Solution

The fourth proportional to 19,147.39, 26,423.16 and 10,763.89 is: 14,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.39 : 26,423.16 = 10,763.89 : x
  2. Step 2: Convert to fraction form
    19,147.39/26,423.16 = 10,763.89/x
  3. Step 3: Cross multiply
    19,147.39x = 26,423.16 × 10,763.89
  4. Step 4: Simplify right side
    19,147.39x = 284,415,987.69
  5. Step 5: Solve for x
    x = 284,415,987.69/19,147.39
  6. Step 6: Final answer
    x = 14,854.03

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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.