Home / 15,727.06-21,703.33-9,012.36

Finding the Fourth Proportional to 15,727.06, 21,703.33 and 9,012.36

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Solution

The fourth proportional to 15,727.06, 21,703.33 and 9,012.36 is: 12,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.06 : 21,703.33 = 9,012.36 : x
  2. Step 2: Convert to fraction form
    15,727.06/21,703.33 = 9,012.36/x
  3. Step 3: Cross multiply
    15,727.06x = 21,703.33 × 9,012.36
  4. Step 4: Simplify right side
    15,727.06x = 195,598,178.10
  5. Step 5: Solve for x
    x = 195,598,178.10/15,727.06
  6. Step 6: Final answer
    x = 12,437.05

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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.