Home / 29,386.05-40,557.33-16,639.89

Finding the Fourth Proportional to 29,386.05, 40,557.33 and 16,639.89

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Solution

The fourth proportional to 29,386.05, 40,557.33 and 16,639.89 is: 22,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,386.05 : 40,557.33 = 16,639.89 : x
  2. Step 2: Convert to fraction form
    29,386.05/40,557.33 = 16,639.89/x
  3. Step 3: Cross multiply
    29,386.05x = 40,557.33 × 16,639.89
  4. Step 4: Simplify right side
    29,386.05x = 674,869,509.89
  5. Step 5: Solve for x
    x = 674,869,509.89/29,386.05
  6. Step 6: Final answer
    x = 22,965.64

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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.