Home / 47,276.64-70,921.44-13,999.44

Finding the Fourth Proportional to 47,276.64, 70,921.44 and 13,999.44

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Solution

The fourth proportional to 47,276.64, 70,921.44 and 13,999.44 is: 21,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,276.64 : 70,921.44 = 13,999.44 : x
  2. Step 2: Convert to fraction form
    47,276.64/70,921.44 = 13,999.44/x
  3. Step 3: Cross multiply
    47,276.64x = 70,921.44 × 13,999.44
  4. Step 4: Simplify right side
    47,276.64x = 992,860,443.99
  5. Step 5: Solve for x
    x = 992,860,443.99/47,276.64
  6. Step 6: Final answer
    x = 21,001.08

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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.