Home / 14,459.52-21,690.72-4,071.36

Finding the Fourth Proportional to 14,459.52, 21,690.72 and 4,071.36

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Solution

The fourth proportional to 14,459.52, 21,690.72 and 4,071.36 is: 6,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.52 : 21,690.72 = 4,071.36 : x
  2. Step 2: Convert to fraction form
    14,459.52/21,690.72 = 4,071.36/x
  3. Step 3: Cross multiply
    14,459.52x = 21,690.72 × 4,071.36
  4. Step 4: Simplify right side
    14,459.52x = 88,310,729.78
  5. Step 5: Solve for x
    x = 88,310,729.78/14,459.52
  6. Step 6: Final answer
    x = 6,107.45

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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.