Home / 25,803.11-38,708.51-9,161.76

Finding the Fourth Proportional to 25,803.11, 38,708.51 and 9,161.76

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Solution

The fourth proportional to 25,803.11, 38,708.51 and 9,161.76 is: 13,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,803.11 : 38,708.51 = 9,161.76 : x
  2. Step 2: Convert to fraction form
    25,803.11/38,708.51 = 9,161.76/x
  3. Step 3: Cross multiply
    25,803.11x = 38,708.51 × 9,161.76
  4. Step 4: Simplify right side
    25,803.11x = 354,637,985.96
  5. Step 5: Solve for x
    x = 354,637,985.96/25,803.11
  6. Step 6: Final answer
    x = 13,744.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.