Home / 16,431.12-24,643.08-4,741.80

Finding the Fourth Proportional to 16,431.12, 24,643.08 and 4,741.80

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Solution

The fourth proportional to 16,431.12, 24,643.08 and 4,741.80 is: 7,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.12 : 24,643.08 = 4,741.80 : x
  2. Step 2: Convert to fraction form
    16,431.12/24,643.08 = 4,741.80/x
  3. Step 3: Cross multiply
    16,431.12x = 24,643.08 × 4,741.80
  4. Step 4: Simplify right side
    16,431.12x = 116,852,556.74
  5. Step 5: Solve for x
    x = 116,852,556.74/16,431.12
  6. Step 6: Final answer
    x = 7,111.66

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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.