Home / 23,780.63-32,787.42-15,267.71

Finding the Fourth Proportional to 23,780.63, 32,787.42 and 15,267.71

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Solution

The fourth proportional to 23,780.63, 32,787.42 and 15,267.71 is: 21,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.63 : 32,787.42 = 15,267.71 : x
  2. Step 2: Convert to fraction form
    23,780.63/32,787.42 = 15,267.71/x
  3. Step 3: Cross multiply
    23,780.63x = 32,787.42 × 15,267.71
  4. Step 4: Simplify right side
    23,780.63x = 500,588,820.21
  5. Step 5: Solve for x
    x = 500,588,820.21/23,780.63
  6. Step 6: Final answer
    x = 21,050.28

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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.