Home / 18,416.61-27,637.68-7,322.25

Finding the Fourth Proportional to 18,416.61, 27,637.68 and 7,322.25

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Solution

The fourth proportional to 18,416.61, 27,637.68 and 7,322.25 is: 10,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.61 : 27,637.68 = 7,322.25 : x
  2. Step 2: Convert to fraction form
    18,416.61/27,637.68 = 7,322.25/x
  3. Step 3: Cross multiply
    18,416.61x = 27,637.68 × 7,322.25
  4. Step 4: Simplify right side
    18,416.61x = 202,370,002.38
  5. Step 5: Solve for x
    x = 202,370,002.38/18,416.61
  6. Step 6: Final answer
    x = 10,988.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.