Home / 25,991.13-35,864.75-14,660.81

Finding the Fourth Proportional to 25,991.13, 35,864.75 and 14,660.81

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Solution

The fourth proportional to 25,991.13, 35,864.75 and 14,660.81 is: 20,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.13 : 35,864.75 = 14,660.81 : x
  2. Step 2: Convert to fraction form
    25,991.13/35,864.75 = 14,660.81/x
  3. Step 3: Cross multiply
    25,991.13x = 35,864.75 × 14,660.81
  4. Step 4: Simplify right side
    25,991.13x = 525,806,285.45
  5. Step 5: Solve for x
    x = 525,806,285.45/25,991.13
  6. Step 6: Final answer
    x = 20,230.22

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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.