Home / 14,094.19-19,436.56-8,428.02

Finding the Fourth Proportional to 14,094.19, 19,436.56 and 8,428.02

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Solution

The fourth proportional to 14,094.19, 19,436.56 and 8,428.02 is: 11,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.19 : 19,436.56 = 8,428.02 : x
  2. Step 2: Convert to fraction form
    14,094.19/19,436.56 = 8,428.02/x
  3. Step 3: Cross multiply
    14,094.19x = 19,436.56 × 8,428.02
  4. Step 4: Simplify right side
    14,094.19x = 163,811,716.41
  5. Step 5: Solve for x
    x = 163,811,716.41/14,094.19
  6. Step 6: Final answer
    x = 11,622.64

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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.