Home / 14,160.60-21,225.15-6,656.43

Finding the Fourth Proportional to 14,160.60, 21,225.15 and 6,656.43

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Solution

The fourth proportional to 14,160.60, 21,225.15 and 6,656.43 is: 9,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.60 : 21,225.15 = 6,656.43 : x
  2. Step 2: Convert to fraction form
    14,160.60/21,225.15 = 6,656.43/x
  3. Step 3: Cross multiply
    14,160.60x = 21,225.15 × 6,656.43
  4. Step 4: Simplify right side
    14,160.60x = 141,283,725.21
  5. Step 5: Solve for x
    x = 141,283,725.21/14,160.60
  6. Step 6: Final answer
    x = 9,977.24

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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.