Home / 28,613.36-42,903.18-11,741.34

Finding the Fourth Proportional to 28,613.36, 42,903.18 and 11,741.34

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Solution

The fourth proportional to 28,613.36, 42,903.18 and 11,741.34 is: 17,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,613.36 : 42,903.18 = 11,741.34 : x
  2. Step 2: Convert to fraction form
    28,613.36/42,903.18 = 11,741.34/x
  3. Step 3: Cross multiply
    28,613.36x = 42,903.18 × 11,741.34
  4. Step 4: Simplify right side
    28,613.36x = 503,740,984.35
  5. Step 5: Solve for x
    x = 503,740,984.35/28,613.36
  6. Step 6: Final answer
    x = 17,605.10

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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.