Home / 19,312.60-26,659.56-12,603.98

Finding the Fourth Proportional to 19,312.60, 26,659.56 and 12,603.98

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Solution

The fourth proportional to 19,312.60, 26,659.56 and 12,603.98 is: 17,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.60 : 26,659.56 = 12,603.98 : x
  2. Step 2: Convert to fraction form
    19,312.60/26,659.56 = 12,603.98/x
  3. Step 3: Cross multiply
    19,312.60x = 26,659.56 × 12,603.98
  4. Step 4: Simplify right side
    19,312.60x = 336,016,561.05
  5. Step 5: Solve for x
    x = 336,016,561.05/19,312.60
  6. Step 6: Final answer
    x = 17,398.83

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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.