Home / 14,900.07-20,559.18-8,528.61

Finding the Fourth Proportional to 14,900.07, 20,559.18 and 8,528.61

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Solution

The fourth proportional to 14,900.07, 20,559.18 and 8,528.61 is: 11,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.07 : 20,559.18 = 8,528.61 : x
  2. Step 2: Convert to fraction form
    14,900.07/20,559.18 = 8,528.61/x
  3. Step 3: Cross multiply
    14,900.07x = 20,559.18 × 8,528.61
  4. Step 4: Simplify right side
    14,900.07x = 175,341,228.14
  5. Step 5: Solve for x
    x = 175,341,228.14/14,900.07
  6. Step 6: Final answer
    x = 11,767.81

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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.