Home / 15,257.67-21,044.70-14,002.77

Finding the Fourth Proportional to 15,257.67, 21,044.70 and 14,002.77

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Solution

The fourth proportional to 15,257.67, 21,044.70 and 14,002.77 is: 19,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.67 : 21,044.70 = 14,002.77 : x
  2. Step 2: Convert to fraction form
    15,257.67/21,044.70 = 14,002.77/x
  3. Step 3: Cross multiply
    15,257.67x = 21,044.70 × 14,002.77
  4. Step 4: Simplify right side
    15,257.67x = 294,684,093.82
  5. Step 5: Solve for x
    x = 294,684,093.82/15,257.67
  6. Step 6: Final answer
    x = 19,313.83

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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.