Home / 14,154.36-21,255.30-10,644.36

Finding the Fourth Proportional to 14,154.36, 21,255.30 and 10,644.36

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Solution

The fourth proportional to 14,154.36, 21,255.30 and 10,644.36 is: 15,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.36 : 21,255.30 = 10,644.36 : x
  2. Step 2: Convert to fraction form
    14,154.36/21,255.30 = 10,644.36/x
  3. Step 3: Cross multiply
    14,154.36x = 21,255.30 × 10,644.36
  4. Step 4: Simplify right side
    14,154.36x = 226,249,065.11
  5. Step 5: Solve for x
    x = 226,249,065.11/14,154.36
  6. Step 6: Final answer
    x = 15,984.41

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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.