Home / 29,653.12-40,920.69-16,224.34

Finding the Fourth Proportional to 29,653.12, 40,920.69 and 16,224.34

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Solution

The fourth proportional to 29,653.12, 40,920.69 and 16,224.34 is: 22,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,653.12 : 40,920.69 = 16,224.34 : x
  2. Step 2: Convert to fraction form
    29,653.12/40,920.69 = 16,224.34/x
  3. Step 3: Cross multiply
    29,653.12x = 40,920.69 × 16,224.34
  4. Step 4: Simplify right side
    29,653.12x = 663,911,187.59
  5. Step 5: Solve for x
    x = 663,911,187.59/29,653.12
  6. Step 6: Final answer
    x = 22,389.25

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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.