Home / 15,644.77-21,592.55-9,357.13

Finding the Fourth Proportional to 15,644.77, 21,592.55 and 9,357.13

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Solution

The fourth proportional to 15,644.77, 21,592.55 and 9,357.13 is: 12,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.77 : 21,592.55 = 9,357.13 : x
  2. Step 2: Convert to fraction form
    15,644.77/21,592.55 = 9,357.13/x
  3. Step 3: Cross multiply
    15,644.77x = 21,592.55 × 9,357.13
  4. Step 4: Simplify right side
    15,644.77x = 202,044,250.60
  5. Step 5: Solve for x
    x = 202,044,250.60/15,644.77
  6. Step 6: Final answer
    x = 12,914.49

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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.