Home / 27,175.40-37,484.78-19,632.81

Finding the Fourth Proportional to 27,175.40, 37,484.78 and 19,632.81

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Solution

The fourth proportional to 27,175.40, 37,484.78 and 19,632.81 is: 27,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.40 : 37,484.78 = 19,632.81 : x
  2. Step 2: Convert to fraction form
    27,175.40/37,484.78 = 19,632.81/x
  3. Step 3: Cross multiply
    27,175.40x = 37,484.78 × 19,632.81
  4. Step 4: Simplify right side
    27,175.40x = 735,931,606.04
  5. Step 5: Solve for x
    x = 735,931,606.04/27,175.40
  6. Step 6: Final answer
    x = 27,080.80

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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.