Home / 14,088.70-19,437.99-8,119.55

Finding the Fourth Proportional to 14,088.70, 19,437.99 and 8,119.55

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Solution

The fourth proportional to 14,088.70, 19,437.99 and 8,119.55 is: 11,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.70 : 19,437.99 = 8,119.55 : x
  2. Step 2: Convert to fraction form
    14,088.70/19,437.99 = 8,119.55/x
  3. Step 3: Cross multiply
    14,088.70x = 19,437.99 × 8,119.55
  4. Step 4: Simplify right side
    14,088.70x = 157,827,634.51
  5. Step 5: Solve for x
    x = 157,827,634.51/14,088.70
  6. Step 6: Final answer
    x = 11,202.43

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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.