Home / 15,193.07-20,967.49-8,480.01

Finding the Fourth Proportional to 15,193.07, 20,967.49 and 8,480.01

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Solution

The fourth proportional to 15,193.07, 20,967.49 and 8,480.01 is: 11,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.07 : 20,967.49 = 8,480.01 : x
  2. Step 2: Convert to fraction form
    15,193.07/20,967.49 = 8,480.01/x
  3. Step 3: Cross multiply
    15,193.07x = 20,967.49 × 8,480.01
  4. Step 4: Simplify right side
    15,193.07x = 177,804,496.16
  5. Step 5: Solve for x
    x = 177,804,496.16/15,193.07
  6. Step 6: Final answer
    x = 11,703.00

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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.