Home / 21,926.98-32,869.59-7,125.49

Finding the Fourth Proportional to 21,926.98, 32,869.59 and 7,125.49

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Solution

The fourth proportional to 21,926.98, 32,869.59 and 7,125.49 is: 10,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.98 : 32,869.59 = 7,125.49 : x
  2. Step 2: Convert to fraction form
    21,926.98/32,869.59 = 7,125.49/x
  3. Step 3: Cross multiply
    21,926.98x = 32,869.59 × 7,125.49
  4. Step 4: Simplify right side
    21,926.98x = 234,211,934.85
  5. Step 5: Solve for x
    x = 234,211,934.85/21,926.98
  6. Step 6: Final answer
    x = 10,681.45

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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.