Home / 25,660.11-35,408.92-14,328.72

Finding the Fourth Proportional to 25,660.11, 35,408.92 and 14,328.72

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Solution

The fourth proportional to 25,660.11, 35,408.92 and 14,328.72 is: 19,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,660.11 : 35,408.92 = 14,328.72 : x
  2. Step 2: Convert to fraction form
    25,660.11/35,408.92 = 14,328.72/x
  3. Step 3: Cross multiply
    25,660.11x = 35,408.92 × 14,328.72
  4. Step 4: Simplify right side
    25,660.11x = 507,364,500.18
  5. Step 5: Solve for x
    x = 507,364,500.18/25,660.11
  6. Step 6: Final answer
    x = 19,772.50

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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.