Home / 18,332.51-25,259.79-12,353.81

Finding the Fourth Proportional to 18,332.51, 25,259.79 and 12,353.81

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Solution

The fourth proportional to 18,332.51, 25,259.79 and 12,353.81 is: 17,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.51 : 25,259.79 = 12,353.81 : x
  2. Step 2: Convert to fraction form
    18,332.51/25,259.79 = 12,353.81/x
  3. Step 3: Cross multiply
    18,332.51x = 25,259.79 × 12,353.81
  4. Step 4: Simplify right side
    18,332.51x = 312,054,520.00
  5. Step 5: Solve for x
    x = 312,054,520.00/18,332.51
  6. Step 6: Final answer
    x = 17,021.92

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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.