Home / 30,186.81-41,657.63-16,575.03

Finding the Fourth Proportional to 30,186.81, 41,657.63 and 16,575.03

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Solution

The fourth proportional to 30,186.81, 41,657.63 and 16,575.03 is: 22,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.81 : 41,657.63 = 16,575.03 : x
  2. Step 2: Convert to fraction form
    30,186.81/41,657.63 = 16,575.03/x
  3. Step 3: Cross multiply
    30,186.81x = 41,657.63 × 16,575.03
  4. Step 4: Simplify right side
    30,186.81x = 690,476,384.10
  5. Step 5: Solve for x
    x = 690,476,384.10/30,186.81
  6. Step 6: Final answer
    x = 22,873.45

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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.