Home / 14,972.43-20,670.39-9,943.53

Finding the Fourth Proportional to 14,972.43, 20,670.39 and 9,943.53

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Solution

The fourth proportional to 14,972.43, 20,670.39 and 9,943.53 is: 13,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.43 : 20,670.39 = 9,943.53 : x
  2. Step 2: Convert to fraction form
    14,972.43/20,670.39 = 9,943.53/x
  3. Step 3: Cross multiply
    14,972.43x = 20,670.39 × 9,943.53
  4. Step 4: Simplify right side
    14,972.43x = 205,536,643.08
  5. Step 5: Solve for x
    x = 205,536,643.08/14,972.43
  6. Step 6: Final answer
    x = 13,727.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.