Home / 14,244.40-21,374.64-7,670.44

Finding the Fourth Proportional to 14,244.40, 21,374.64 and 7,670.44

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Solution

The fourth proportional to 14,244.40, 21,374.64 and 7,670.44 is: 11,509.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.40 : 21,374.64 = 7,670.44 : x
  2. Step 2: Convert to fraction form
    14,244.40/21,374.64 = 7,670.44/x
  3. Step 3: Cross multiply
    14,244.40x = 21,374.64 × 7,670.44
  4. Step 4: Simplify right side
    14,244.40x = 163,952,893.64
  5. Step 5: Solve for x
    x = 163,952,893.64/14,244.40
  6. Step 6: Final answer
    x = 11,509.99

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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.