Home / 34,364.32-47,421.12-19,255.12

Finding the Fourth Proportional to 34,364.32, 47,421.12 and 19,255.12

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Solution

The fourth proportional to 34,364.32, 47,421.12 and 19,255.12 is: 26,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,364.32 : 47,421.12 = 19,255.12 : x
  2. Step 2: Convert to fraction form
    34,364.32/47,421.12 = 19,255.12/x
  3. Step 3: Cross multiply
    34,364.32x = 47,421.12 × 19,255.12
  4. Step 4: Simplify right side
    34,364.32x = 913,099,356.13
  5. Step 5: Solve for x
    x = 913,099,356.13/34,364.32
  6. Step 6: Final answer
    x = 26,571.15

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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.