Home / 14,614.48-21,908.70-5,378.32

Finding the Fourth Proportional to 14,614.48, 21,908.70 and 5,378.32

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Solution

The fourth proportional to 14,614.48, 21,908.70 and 5,378.32 is: 8,062.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.48 : 21,908.70 = 5,378.32 : x
  2. Step 2: Convert to fraction form
    14,614.48/21,908.70 = 5,378.32/x
  3. Step 3: Cross multiply
    14,614.48x = 21,908.70 × 5,378.32
  4. Step 4: Simplify right side
    14,614.48x = 117,831,999.38
  5. Step 5: Solve for x
    x = 117,831,999.38/14,614.48
  6. Step 6: Final answer
    x = 8,062.69

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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.