Home / 15,010.57-20,703.86-11,467.63

Finding the Fourth Proportional to 15,010.57, 20,703.86 and 11,467.63

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Solution

The fourth proportional to 15,010.57, 20,703.86 and 11,467.63 is: 15,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.57 : 20,703.86 = 11,467.63 : x
  2. Step 2: Convert to fraction form
    15,010.57/20,703.86 = 11,467.63/x
  3. Step 3: Cross multiply
    15,010.57x = 20,703.86 × 11,467.63
  4. Step 4: Simplify right side
    15,010.57x = 237,424,139.96
  5. Step 5: Solve for x
    x = 237,424,139.96/15,010.57
  6. Step 6: Final answer
    x = 15,817.13

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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.