Home / 12,421.74-17,166.58-10,180.08

Finding the Fourth Proportional to 12,421.74, 17,166.58 and 10,180.08

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Solution

The fourth proportional to 12,421.74, 17,166.58 and 10,180.08 is: 14,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421.74 : 17,166.58 = 10,180.08 : x
  2. Step 2: Convert to fraction form
    12,421.74/17,166.58 = 10,180.08/x
  3. Step 3: Cross multiply
    12,421.74x = 17,166.58 × 10,180.08
  4. Step 4: Simplify right side
    12,421.74x = 174,757,157.73
  5. Step 5: Solve for x
    x = 174,757,157.73/12,421.74
  6. Step 6: Final answer
    x = 14,068.65

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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.