Home / 47,279.45-70,919.40-14,000.14

Finding the Fourth Proportional to 47,279.45, 70,919.40 and 14,000.14

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Solution

The fourth proportional to 47,279.45, 70,919.40 and 14,000.14 is: 21,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,279.45 : 70,919.40 = 14,000.14 : x
  2. Step 2: Convert to fraction form
    47,279.45/70,919.40 = 14,000.14/x
  3. Step 3: Cross multiply
    47,279.45x = 70,919.40 × 14,000.14
  4. Step 4: Simplify right side
    47,279.45x = 992,881,528.72
  5. Step 5: Solve for x
    x = 992,881,528.72/47,279.45
  6. Step 6: Final answer
    x = 21,000.28

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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.