Home / 31,852.07-47,778.21-9,665.63

Finding the Fourth Proportional to 31,852.07, 47,778.21 and 9,665.63

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Solution

The fourth proportional to 31,852.07, 47,778.21 and 9,665.63 is: 14,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.07 : 47,778.21 = 9,665.63 : x
  2. Step 2: Convert to fraction form
    31,852.07/47,778.21 = 9,665.63/x
  3. Step 3: Cross multiply
    31,852.07x = 47,778.21 × 9,665.63
  4. Step 4: Simplify right side
    31,852.07x = 461,806,261.03
  5. Step 5: Solve for x
    x = 461,806,261.03/31,852.07
  6. Step 6: Final answer
    x = 14,498.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.