Home / 14,205.55-21,315.36-10,448.06

Finding the Fourth Proportional to 14,205.55, 21,315.36 and 10,448.06

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Solution

The fourth proportional to 14,205.55, 21,315.36 and 10,448.06 is: 15,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.55 : 21,315.36 = 10,448.06 : x
  2. Step 2: Convert to fraction form
    14,205.55/21,315.36 = 10,448.06/x
  3. Step 3: Cross multiply
    14,205.55x = 21,315.36 × 10,448.06
  4. Step 4: Simplify right side
    14,205.55x = 222,704,160.20
  5. Step 5: Solve for x
    x = 222,704,160.20/14,205.55
  6. Step 6: Final answer
    x = 15,677.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.