Home / 14,035.92-19,368-7,746.72

Finding the Fourth Proportional to 14,035.92, 19,368 and 7,746.72

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Solution

The fourth proportional to 14,035.92, 19,368 and 7,746.72 is: 10,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035.92 : 19,368 = 7,746.72 : x
  2. Step 2: Convert to fraction form
    14,035.92/19,368 = 7,746.72/x
  3. Step 3: Cross multiply
    14,035.92x = 19,368 × 7,746.72
  4. Step 4: Simplify right side
    14,035.92x = 150,038,472.96
  5. Step 5: Solve for x
    x = 150,038,472.96/14,035.92
  6. Step 6: Final answer
    x = 10,689.61

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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.