Home / 19,937.51-27,512.73-10,984.80

Finding the Fourth Proportional to 19,937.51, 27,512.73 and 10,984.80

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Solution

The fourth proportional to 19,937.51, 27,512.73 and 10,984.80 is: 15,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.51 : 27,512.73 = 10,984.80 : x
  2. Step 2: Convert to fraction form
    19,937.51/27,512.73 = 10,984.80/x
  3. Step 3: Cross multiply
    19,937.51x = 27,512.73 × 10,984.80
  4. Step 4: Simplify right side
    19,937.51x = 302,221,836.50
  5. Step 5: Solve for x
    x = 302,221,836.50/19,937.51
  6. Step 6: Final answer
    x = 15,158.46

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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.