Home / 21,945.15-32,922.67-6,953.17

Finding the Fourth Proportional to 21,945.15, 32,922.67 and 6,953.17

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Solution

The fourth proportional to 21,945.15, 32,922.67 and 6,953.17 is: 10,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.15 : 32,922.67 = 6,953.17 : x
  2. Step 2: Convert to fraction form
    21,945.15/32,922.67 = 6,953.17/x
  3. Step 3: Cross multiply
    21,945.15x = 32,922.67 × 6,953.17
  4. Step 4: Simplify right side
    21,945.15x = 228,916,886.60
  5. Step 5: Solve for x
    x = 228,916,886.60/21,945.15
  6. Step 6: Final answer
    x = 10,431.32

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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.