Home / 47,287.85-70,931.57-14,008.12

Finding the Fourth Proportional to 47,287.85, 70,931.57 and 14,008.12

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Solution

The fourth proportional to 47,287.85, 70,931.57 and 14,008.12 is: 21,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,287.85 : 70,931.57 = 14,008.12 : x
  2. Step 2: Convert to fraction form
    47,287.85/70,931.57 = 14,008.12/x
  3. Step 3: Cross multiply
    47,287.85x = 70,931.57 × 14,008.12
  4. Step 4: Simplify right side
    47,287.85x = 993,617,696.98
  5. Step 5: Solve for x
    x = 993,617,696.98/47,287.85
  6. Step 6: Final answer
    x = 21,012.12

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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.