Home / 14,467.20-21,700.80-4,606.40

Finding the Fourth Proportional to 14,467.20, 21,700.80 and 4,606.40

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Solution

The fourth proportional to 14,467.20, 21,700.80 and 4,606.40 is: 6,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,467.20 : 21,700.80 = 4,606.40 : x
  2. Step 2: Convert to fraction form
    14,467.20/21,700.80 = 4,606.40/x
  3. Step 3: Cross multiply
    14,467.20x = 21,700.80 × 4,606.40
  4. Step 4: Simplify right side
    14,467.20x = 99,962,565.12
  5. Step 5: Solve for x
    x = 99,962,565.12/14,467.20
  6. Step 6: Final answer
    x = 6,909.60

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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.