Home / 13,980.14-19,292.52-8,011.66

Finding the Fourth Proportional to 13,980.14, 19,292.52 and 8,011.66

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Solution

The fourth proportional to 13,980.14, 19,292.52 and 8,011.66 is: 11,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.14 : 19,292.52 = 8,011.66 : x
  2. Step 2: Convert to fraction form
    13,980.14/19,292.52 = 8,011.66/x
  3. Step 3: Cross multiply
    13,980.14x = 19,292.52 × 8,011.66
  4. Step 4: Simplify right side
    13,980.14x = 154,565,092.60
  5. Step 5: Solve for x
    x = 154,565,092.60/13,980.14
  6. Step 6: Final answer
    x = 11,056.05

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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.