Home / 27,019.08-37,289.14-15,086.52

Finding the Fourth Proportional to 27,019.08, 37,289.14 and 15,086.52

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Solution

The fourth proportional to 27,019.08, 37,289.14 and 15,086.52 is: 20,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.08 : 37,289.14 = 15,086.52 : x
  2. Step 2: Convert to fraction form
    27,019.08/37,289.14 = 15,086.52/x
  3. Step 3: Cross multiply
    27,019.08x = 37,289.14 × 15,086.52
  4. Step 4: Simplify right side
    27,019.08x = 562,563,356.39
  5. Step 5: Solve for x
    x = 562,563,356.39/27,019.08
  6. Step 6: Final answer
    x = 20,820.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.