Home / 14,070.11-19,436.56-13,558.59

Finding the Fourth Proportional to 14,070.11, 19,436.56 and 13,558.59

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Solution

The fourth proportional to 14,070.11, 19,436.56 and 13,558.59 is: 18,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.11 : 19,436.56 = 13,558.59 : x
  2. Step 2: Convert to fraction form
    14,070.11/19,436.56 = 13,558.59/x
  3. Step 3: Cross multiply
    14,070.11x = 19,436.56 × 13,558.59
  4. Step 4: Simplify right side
    14,070.11x = 263,532,314.15
  5. Step 5: Solve for x
    x = 263,532,314.15/14,070.11
  6. Step 6: Final answer
    x = 18,729.95

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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.