Home / 19,088.26-28,632.29-7,401.38

Finding the Fourth Proportional to 19,088.26, 28,632.29 and 7,401.38

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Solution

The fourth proportional to 19,088.26, 28,632.29 and 7,401.38 is: 11,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.26 : 28,632.29 = 7,401.38 : x
  2. Step 2: Convert to fraction form
    19,088.26/28,632.29 = 7,401.38/x
  3. Step 3: Cross multiply
    19,088.26x = 28,632.29 × 7,401.38
  4. Step 4: Simplify right side
    19,088.26x = 211,918,278.39
  5. Step 5: Solve for x
    x = 211,918,278.39/19,088.26
  6. Step 6: Final answer
    x = 11,102.02

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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.