Home / 19,373.68-26,735.70-12,670.66

Finding the Fourth Proportional to 19,373.68, 26,735.70 and 12,670.66

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Solution

The fourth proportional to 19,373.68, 26,735.70 and 12,670.66 is: 17,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.68 : 26,735.70 = 12,670.66 : x
  2. Step 2: Convert to fraction form
    19,373.68/26,735.70 = 12,670.66/x
  3. Step 3: Cross multiply
    19,373.68x = 26,735.70 × 12,670.66
  4. Step 4: Simplify right side
    19,373.68x = 338,758,964.56
  5. Step 5: Solve for x
    x = 338,758,964.56/19,373.68
  6. Step 6: Final answer
    x = 17,485.52

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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.