Home / 19,045-26,282.10-10,661.56

Finding the Fourth Proportional to 19,045, 26,282.10 and 10,661.56

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Solution

The fourth proportional to 19,045, 26,282.10 and 10,661.56 is: 14,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045 : 26,282.10 = 10,661.56 : x
  2. Step 2: Convert to fraction form
    19,045/26,282.10 = 10,661.56/x
  3. Step 3: Cross multiply
    19,045x = 26,282.10 × 10,661.56
  4. Step 4: Simplify right side
    19,045x = 280,208,186.08
  5. Step 5: Solve for x
    x = 280,208,186.08/19,045
  6. Step 6: Final answer
    x = 14,712.95

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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.