Home / 13,962.08-20,946.56-6,945.42

Finding the Fourth Proportional to 13,962.08, 20,946.56 and 6,945.42

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Solution

The fourth proportional to 13,962.08, 20,946.56 and 6,945.42 is: 10,419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.08 : 20,946.56 = 6,945.42 : x
  2. Step 2: Convert to fraction form
    13,962.08/20,946.56 = 6,945.42/x
  3. Step 3: Cross multiply
    13,962.08x = 20,946.56 × 6,945.42
  4. Step 4: Simplify right side
    13,962.08x = 145,482,656.76
  5. Step 5: Solve for x
    x = 145,482,656.76/13,962.08
  6. Step 6: Final answer
    x = 10,419.84

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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.