Home / 14,165.40-21,330.45-10,493.64

Finding the Fourth Proportional to 14,165.40, 21,330.45 and 10,493.64

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Solution

The fourth proportional to 14,165.40, 21,330.45 and 10,493.64 is: 15,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.40 : 21,330.45 = 10,493.64 : x
  2. Step 2: Convert to fraction form
    14,165.40/21,330.45 = 10,493.64/x
  3. Step 3: Cross multiply
    14,165.40x = 21,330.45 × 10,493.64
  4. Step 4: Simplify right side
    14,165.40x = 223,834,063.34
  5. Step 5: Solve for x
    x = 223,834,063.34/14,165.40
  6. Step 6: Final answer
    x = 15,801.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.