Home / 30,185.39-41,655.06-16,756.25

Finding the Fourth Proportional to 30,185.39, 41,655.06 and 16,756.25

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Solution

The fourth proportional to 30,185.39, 41,655.06 and 16,756.25 is: 23,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.39 : 41,655.06 = 16,756.25 : x
  2. Step 2: Convert to fraction form
    30,185.39/41,655.06 = 16,756.25/x
  3. Step 3: Cross multiply
    30,185.39x = 41,655.06 × 16,756.25
  4. Step 4: Simplify right side
    30,185.39x = 697,982,599.13
  5. Step 5: Solve for x
    x = 697,982,599.13/30,185.39
  6. Step 6: Final answer
    x = 23,123.19

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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.