Home / 15,922.98-21,975.02-10,269.50

Finding the Fourth Proportional to 15,922.98, 21,975.02 and 10,269.50

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Solution

The fourth proportional to 15,922.98, 21,975.02 and 10,269.50 is: 14,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.98 : 21,975.02 = 10,269.50 : x
  2. Step 2: Convert to fraction form
    15,922.98/21,975.02 = 10,269.50/x
  3. Step 3: Cross multiply
    15,922.98x = 21,975.02 × 10,269.50
  4. Step 4: Simplify right side
    15,922.98x = 225,672,306.67
  5. Step 5: Solve for x
    x = 225,672,306.67/15,922.98
  6. Step 6: Final answer
    x = 14,172.74

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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.