Home / 22,403.32-30,906.20-14,448.08

Finding the Fourth Proportional to 22,403.32, 30,906.20 and 14,448.08

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Solution

The fourth proportional to 22,403.32, 30,906.20 and 14,448.08 is: 19,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.32 : 30,906.20 = 14,448.08 : x
  2. Step 2: Convert to fraction form
    22,403.32/30,906.20 = 14,448.08/x
  3. Step 3: Cross multiply
    22,403.32x = 30,906.20 × 14,448.08
  4. Step 4: Simplify right side
    22,403.32x = 446,535,250.10
  5. Step 5: Solve for x
    x = 446,535,250.10/22,403.32
  6. Step 6: Final answer
    x = 19,931.66

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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.