Home / 19,064.22-26,330.70-12,679.76

Finding the Fourth Proportional to 19,064.22, 26,330.70 and 12,679.76

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Solution

The fourth proportional to 19,064.22, 26,330.70 and 12,679.76 is: 17,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.22 : 26,330.70 = 12,679.76 : x
  2. Step 2: Convert to fraction form
    19,064.22/26,330.70 = 12,679.76/x
  3. Step 3: Cross multiply
    19,064.22x = 26,330.70 × 12,679.76
  4. Step 4: Simplify right side
    19,064.22x = 333,866,956.63
  5. Step 5: Solve for x
    x = 333,866,956.63/19,064.22
  6. Step 6: Final answer
    x = 17,512.75

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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.