Home / 16,459.20-22,772.75-14,369.40

Finding the Fourth Proportional to 16,459.20, 22,772.75 and 14,369.40

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Solution

The fourth proportional to 16,459.20, 22,772.75 and 14,369.40 is: 19,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,459.20 : 22,772.75 = 14,369.40 : x
  2. Step 2: Convert to fraction form
    16,459.20/22,772.75 = 14,369.40/x
  3. Step 3: Cross multiply
    16,459.20x = 22,772.75 × 14,369.40
  4. Step 4: Simplify right side
    16,459.20x = 327,230,682.00
  5. Step 5: Solve for x
    x = 327,230,682.00/16,459.20
  6. Step 6: Final answer
    x = 19,881.32

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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.