Home / 14,055.40-21,084.18-4,193.92

Finding the Fourth Proportional to 14,055.40, 21,084.18 and 4,193.92

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Solution

The fourth proportional to 14,055.40, 21,084.18 and 4,193.92 is: 6,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.40 : 21,084.18 = 4,193.92 : x
  2. Step 2: Convert to fraction form
    14,055.40/21,084.18 = 4,193.92/x
  3. Step 3: Cross multiply
    14,055.40x = 21,084.18 × 4,193.92
  4. Step 4: Simplify right side
    14,055.40x = 88,425,364.19
  5. Step 5: Solve for x
    x = 88,425,364.19/14,055.40
  6. Step 6: Final answer
    x = 6,291.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.