Home / 13,904.66-19,184.61-7,934.18

Finding the Fourth Proportional to 13,904.66, 19,184.61 and 7,934.18

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Solution

The fourth proportional to 13,904.66, 19,184.61 and 7,934.18 is: 10,946.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.66 : 19,184.61 = 7,934.18 : x
  2. Step 2: Convert to fraction form
    13,904.66/19,184.61 = 7,934.18/x
  3. Step 3: Cross multiply
    13,904.66x = 19,184.61 × 7,934.18
  4. Step 4: Simplify right side
    13,904.66x = 152,214,148.97
  5. Step 5: Solve for x
    x = 152,214,148.97/13,904.66
  6. Step 6: Final answer
    x = 10,946.99

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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.