Home / 23,429.52-35,187.84-19,278.72

Finding the Fourth Proportional to 23,429.52, 35,187.84 and 19,278.72

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Solution

The fourth proportional to 23,429.52, 35,187.84 and 19,278.72 is: 28,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,429.52 : 35,187.84 = 19,278.72 : x
  2. Step 2: Convert to fraction form
    23,429.52/35,187.84 = 19,278.72/x
  3. Step 3: Cross multiply
    23,429.52x = 35,187.84 × 19,278.72
  4. Step 4: Simplify right side
    23,429.52x = 678,376,514.76
  5. Step 5: Solve for x
    x = 678,376,514.76/23,429.52
  6. Step 6: Final answer
    x = 28,953.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.