Home / 17,048.67-23,520.51-12,570.78

Finding the Fourth Proportional to 17,048.67, 23,520.51 and 12,570.78

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Solution

The fourth proportional to 17,048.67, 23,520.51 and 12,570.78 is: 17,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,048.67 : 23,520.51 = 12,570.78 : x
  2. Step 2: Convert to fraction form
    17,048.67/23,520.51 = 12,570.78/x
  3. Step 3: Cross multiply
    17,048.67x = 23,520.51 × 12,570.78
  4. Step 4: Simplify right side
    17,048.67x = 295,671,156.70
  5. Step 5: Solve for x
    x = 295,671,156.70/17,048.67
  6. Step 6: Final answer
    x = 17,342.77

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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.