Home / 18,623.61-25,722.59-14,344.29

Finding the Fourth Proportional to 18,623.61, 25,722.59 and 14,344.29

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Solution

The fourth proportional to 18,623.61, 25,722.59 and 14,344.29 is: 19,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.61 : 25,722.59 = 14,344.29 : x
  2. Step 2: Convert to fraction form
    18,623.61/25,722.59 = 14,344.29/x
  3. Step 3: Cross multiply
    18,623.61x = 25,722.59 × 14,344.29
  4. Step 4: Simplify right side
    18,623.61x = 368,972,218.79
  5. Step 5: Solve for x
    x = 368,972,218.79/18,623.61
  6. Step 6: Final answer
    x = 19,812.07

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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.