Home / 19,110.12-28,632.86-9,254.12

Finding the Fourth Proportional to 19,110.12, 28,632.86 and 9,254.12

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Solution

The fourth proportional to 19,110.12, 28,632.86 and 9,254.12 is: 13,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.12 : 28,632.86 = 9,254.12 : x
  2. Step 2: Convert to fraction form
    19,110.12/28,632.86 = 9,254.12/x
  3. Step 3: Cross multiply
    19,110.12x = 28,632.86 × 9,254.12
  4. Step 4: Simplify right side
    19,110.12x = 264,971,922.38
  5. Step 5: Solve for x
    x = 264,971,922.38/19,110.12
  6. Step 6: Final answer
    x = 13,865.53

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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.