Home / 15,875.44-21,908.36-8,706.01

Finding the Fourth Proportional to 15,875.44, 21,908.36 and 8,706.01

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Solution

The fourth proportional to 15,875.44, 21,908.36 and 8,706.01 is: 12,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.44 : 21,908.36 = 8,706.01 : x
  2. Step 2: Convert to fraction form
    15,875.44/21,908.36 = 8,706.01/x
  3. Step 3: Cross multiply
    15,875.44x = 21,908.36 × 8,706.01
  4. Step 4: Simplify right side
    15,875.44x = 190,734,401.24
  5. Step 5: Solve for x
    x = 190,734,401.24/15,875.44
  6. Step 6: Final answer
    x = 12,014.43

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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.