Home / 15,887.77-21,924.24-9,173.00

Finding the Fourth Proportional to 15,887.77, 21,924.24 and 9,173.00

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Solution

The fourth proportional to 15,887.77, 21,924.24 and 9,173.00 is: 12,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.77 : 21,924.24 = 9,173.00 : x
  2. Step 2: Convert to fraction form
    15,887.77/21,924.24 = 9,173.00/x
  3. Step 3: Cross multiply
    15,887.77x = 21,924.24 × 9,173.00
  4. Step 4: Simplify right side
    15,887.77x = 201,111,028.01
  5. Step 5: Solve for x
    x = 201,111,028.01/15,887.77
  6. Step 6: Final answer
    x = 12,658.23

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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.