Home / 34,066.78-47,014.36-18,959.39

Finding the Fourth Proportional to 34,066.78, 47,014.36 and 18,959.39

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Solution

The fourth proportional to 34,066.78, 47,014.36 and 18,959.39 is: 26,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,066.78 : 47,014.36 = 18,959.39 : x
  2. Step 2: Convert to fraction form
    34,066.78/47,014.36 = 18,959.39/x
  3. Step 3: Cross multiply
    34,066.78x = 47,014.36 × 18,959.39
  4. Step 4: Simplify right side
    34,066.78x = 891,363,586.84
  5. Step 5: Solve for x
    x = 891,363,586.84/34,066.78
  6. Step 6: Final answer
    x = 26,165.18

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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.