Home / 15,878.72-23,678.16-14,770.56

Finding the Fourth Proportional to 15,878.72, 23,678.16 and 14,770.56

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Solution

The fourth proportional to 15,878.72, 23,678.16 and 14,770.56 is: 22,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.72 : 23,678.16 = 14,770.56 : x
  2. Step 2: Convert to fraction form
    15,878.72/23,678.16 = 14,770.56/x
  3. Step 3: Cross multiply
    15,878.72x = 23,678.16 × 14,770.56
  4. Step 4: Simplify right side
    15,878.72x = 349,739,682.97
  5. Step 5: Solve for x
    x = 349,739,682.97/15,878.72
  6. Step 6: Final answer
    x = 22,025.68

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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.