Home / 47,276.15-70,914.96-13,999.58

Finding the Fourth Proportional to 47,276.15, 70,914.96 and 13,999.58

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Solution

The fourth proportional to 47,276.15, 70,914.96 and 13,999.58 is: 20,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,276.15 : 70,914.96 = 13,999.58 : x
  2. Step 2: Convert to fraction form
    47,276.15/70,914.96 = 13,999.58/x
  3. Step 3: Cross multiply
    47,276.15x = 70,914.96 × 13,999.58
  4. Step 4: Simplify right side
    47,276.15x = 992,779,655.72
  5. Step 5: Solve for x
    x = 992,779,655.72/47,276.15
  6. Step 6: Final answer
    x = 20,999.59

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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.