Home / 12,211.74-18,323.50-10,633.45

Finding the Fourth Proportional to 12,211.74, 18,323.50 and 10,633.45

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Solution

The fourth proportional to 12,211.74, 18,323.50 and 10,633.45 is: 15,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.74 : 18,323.50 = 10,633.45 : x
  2. Step 2: Convert to fraction form
    12,211.74/18,323.50 = 10,633.45/x
  3. Step 3: Cross multiply
    12,211.74x = 18,323.50 × 10,633.45
  4. Step 4: Simplify right side
    12,211.74x = 194,842,024.61
  5. Step 5: Solve for x
    x = 194,842,024.61/12,211.74
  6. Step 6: Final answer
    x = 15,955.31

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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.