Home / 15,672.14-21,621.87-10,297.46

Finding the Fourth Proportional to 15,672.14, 21,621.87 and 10,297.46

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Solution

The fourth proportional to 15,672.14, 21,621.87 and 10,297.46 is: 14,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.14 : 21,621.87 = 10,297.46 : x
  2. Step 2: Convert to fraction form
    15,672.14/21,621.87 = 10,297.46/x
  3. Step 3: Cross multiply
    15,672.14x = 21,621.87 × 10,297.46
  4. Step 4: Simplify right side
    15,672.14x = 222,650,395.50
  5. Step 5: Solve for x
    x = 222,650,395.50/15,672.14
  6. Step 6: Final answer
    x = 14,206.77

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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.