Home / 15,553.03-21,463.59-9,588.64

Finding the Fourth Proportional to 15,553.03, 21,463.59 and 9,588.64

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Solution

The fourth proportional to 15,553.03, 21,463.59 and 9,588.64 is: 13,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.03 : 21,463.59 = 9,588.64 : x
  2. Step 2: Convert to fraction form
    15,553.03/21,463.59 = 9,588.64/x
  3. Step 3: Cross multiply
    15,553.03x = 21,463.59 × 9,588.64
  4. Step 4: Simplify right side
    15,553.03x = 205,806,637.62
  5. Step 5: Solve for x
    x = 205,806,637.62/15,553.03
  6. Step 6: Final answer
    x = 13,232.58

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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.