Home / 19,314.60-26,662.32-12,605.98

Finding the Fourth Proportional to 19,314.60, 26,662.32 and 12,605.98

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Solution

The fourth proportional to 19,314.60, 26,662.32 and 12,605.98 is: 17,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.60 : 26,662.32 = 12,605.98 : x
  2. Step 2: Convert to fraction form
    19,314.60/26,662.32 = 12,605.98/x
  3. Step 3: Cross multiply
    19,314.60x = 26,662.32 × 12,605.98
  4. Step 4: Simplify right side
    19,314.60x = 336,104,672.67
  5. Step 5: Solve for x
    x = 336,104,672.67/19,314.60
  6. Step 6: Final answer
    x = 17,401.59

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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.