Home / 14,196.60-21,307.59-14,143.68

Finding the Fourth Proportional to 14,196.60, 21,307.59 and 14,143.68

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Solution

The fourth proportional to 14,196.60, 21,307.59 and 14,143.68 is: 21,228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196.60 : 21,307.59 = 14,143.68 : x
  2. Step 2: Convert to fraction form
    14,196.60/21,307.59 = 14,143.68/x
  3. Step 3: Cross multiply
    14,196.60x = 21,307.59 × 14,143.68
  4. Step 4: Simplify right side
    14,196.60x = 301,367,734.53
  5. Step 5: Solve for x
    x = 301,367,734.53/14,196.60
  6. Step 6: Final answer
    x = 21,228.16

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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.