Home / 34,168.86-47,154.20-19,827.59

Finding the Fourth Proportional to 34,168.86, 47,154.20 and 19,827.59

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Solution

The fourth proportional to 34,168.86, 47,154.20 and 19,827.59 is: 27,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,168.86 : 47,154.20 = 19,827.59 : x
  2. Step 2: Convert to fraction form
    34,168.86/47,154.20 = 19,827.59/x
  3. Step 3: Cross multiply
    34,168.86x = 47,154.20 × 19,827.59
  4. Step 4: Simplify right side
    34,168.86x = 934,953,809.47
  5. Step 5: Solve for x
    x = 934,953,809.47/34,168.86
  6. Step 6: Final answer
    x = 27,362.75

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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.