Home / 18,133.07-25,055.33-14,983.79

Finding the Fourth Proportional to 18,133.07, 25,055.33 and 14,983.79

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Solution

The fourth proportional to 18,133.07, 25,055.33 and 14,983.79 is: 20,703.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.07 : 25,055.33 = 14,983.79 : x
  2. Step 2: Convert to fraction form
    18,133.07/25,055.33 = 14,983.79/x
  3. Step 3: Cross multiply
    18,133.07x = 25,055.33 × 14,983.79
  4. Step 4: Simplify right side
    18,133.07x = 375,423,602.91
  5. Step 5: Solve for x
    x = 375,423,602.91/18,133.07
  6. Step 6: Final answer
    x = 20,703.81

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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.