Home / 21,946.02-32,922.45-7,151.49

Finding the Fourth Proportional to 21,946.02, 32,922.45 and 7,151.49

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Solution

The fourth proportional to 21,946.02, 32,922.45 and 7,151.49 is: 10,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.02 : 32,922.45 = 7,151.49 : x
  2. Step 2: Convert to fraction form
    21,946.02/32,922.45 = 7,151.49/x
  3. Step 3: Cross multiply
    21,946.02x = 32,922.45 × 7,151.49
  4. Step 4: Simplify right side
    21,946.02x = 235,444,571.95
  5. Step 5: Solve for x
    x = 235,444,571.95/21,946.02
  6. Step 6: Final answer
    x = 10,728.35

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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.