Home / 14,325.23-21,479.21-6,426.32

Finding the Fourth Proportional to 14,325.23, 21,479.21 and 6,426.32

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Solution

The fourth proportional to 14,325.23, 21,479.21 and 6,426.32 is: 9,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.23 : 21,479.21 = 6,426.32 : x
  2. Step 2: Convert to fraction form
    14,325.23/21,479.21 = 6,426.32/x
  3. Step 3: Cross multiply
    14,325.23x = 21,479.21 × 6,426.32
  4. Step 4: Simplify right side
    14,325.23x = 138,032,137.28
  5. Step 5: Solve for x
    x = 138,032,137.28/14,325.23
  6. Step 6: Final answer
    x = 9,635.60

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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.