Home / 14,141.76-19,515.84-7,854.24

Finding the Fourth Proportional to 14,141.76, 19,515.84 and 7,854.24

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Solution

The fourth proportional to 14,141.76, 19,515.84 and 7,854.24 is: 10,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.76 : 19,515.84 = 7,854.24 : x
  2. Step 2: Convert to fraction form
    14,141.76/19,515.84 = 7,854.24/x
  3. Step 3: Cross multiply
    14,141.76x = 19,515.84 × 7,854.24
  4. Step 4: Simplify right side
    14,141.76x = 153,282,091.16
  5. Step 5: Solve for x
    x = 153,282,091.16/14,141.76
  6. Step 6: Final answer
    x = 10,838.97

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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.