Home / 15,988.39-22,077.91-10,030.30

Finding the Fourth Proportional to 15,988.39, 22,077.91 and 10,030.30

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Solution

The fourth proportional to 15,988.39, 22,077.91 and 10,030.30 is: 13,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.39 : 22,077.91 = 10,030.30 : x
  2. Step 2: Convert to fraction form
    15,988.39/22,077.91 = 10,030.30/x
  3. Step 3: Cross multiply
    15,988.39x = 22,077.91 × 10,030.30
  4. Step 4: Simplify right side
    15,988.39x = 221,448,060.67
  5. Step 5: Solve for x
    x = 221,448,060.67/15,988.39
  6. Step 6: Final answer
    x = 13,850.55

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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.