Home / 15,326.81-22,856.09-15,186.68

Finding the Fourth Proportional to 15,326.81, 22,856.09 and 15,186.68

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Solution

The fourth proportional to 15,326.81, 22,856.09 and 15,186.68 is: 22,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.81 : 22,856.09 = 15,186.68 : x
  2. Step 2: Convert to fraction form
    15,326.81/22,856.09 = 15,186.68/x
  3. Step 3: Cross multiply
    15,326.81x = 22,856.09 × 15,186.68
  4. Step 4: Simplify right side
    15,326.81x = 347,108,134.28
  5. Step 5: Solve for x
    x = 347,108,134.28/15,326.81
  6. Step 6: Final answer
    x = 22,647.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.