Home / 28,341.93-42,520.20-11,704.53

Finding the Fourth Proportional to 28,341.93, 42,520.20 and 11,704.53

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Solution

The fourth proportional to 28,341.93, 42,520.20 and 11,704.53 is: 17,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.93 : 42,520.20 = 11,704.53 : x
  2. Step 2: Convert to fraction form
    28,341.93/42,520.20 = 11,704.53/x
  3. Step 3: Cross multiply
    28,341.93x = 42,520.20 × 11,704.53
  4. Step 4: Simplify right side
    28,341.93x = 497,678,956.51
  5. Step 5: Solve for x
    x = 497,678,956.51/28,341.93
  6. Step 6: Final answer
    x = 17,559.81

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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.