Home / 34,769.64-47,981.84-18,854.12

Finding the Fourth Proportional to 34,769.64, 47,981.84 and 18,854.12

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Solution

The fourth proportional to 34,769.64, 47,981.84 and 18,854.12 is: 26,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,769.64 : 47,981.84 = 18,854.12 : x
  2. Step 2: Convert to fraction form
    34,769.64/47,981.84 = 18,854.12/x
  3. Step 3: Cross multiply
    34,769.64x = 47,981.84 × 18,854.12
  4. Step 4: Simplify right side
    34,769.64x = 904,655,369.18
  5. Step 5: Solve for x
    x = 904,655,369.18/34,769.64
  6. Step 6: Final answer
    x = 26,018.54

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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.