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Finding the Fourth Proportional to 14,137.16, 19,508.51 and 7,849.13

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Solution

The fourth proportional to 14,137.16, 19,508.51 and 7,849.13 is: 10,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.16 : 19,508.51 = 7,849.13 : x
  2. Step 2: Convert to fraction form
    14,137.16/19,508.51 = 7,849.13/x
  3. Step 3: Cross multiply
    14,137.16x = 19,508.51 × 7,849.13
  4. Step 4: Simplify right side
    14,137.16x = 153,124,753.18
  5. Step 5: Solve for x
    x = 153,124,753.18/14,137.16
  6. Step 6: Final answer
    x = 10,831.37

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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.