Home / 19,862.06-27,408.02-10,909.52

Finding the Fourth Proportional to 19,862.06, 27,408.02 and 10,909.52

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Solution

The fourth proportional to 19,862.06, 27,408.02 and 10,909.52 is: 15,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.06 : 27,408.02 = 10,909.52 : x
  2. Step 2: Convert to fraction form
    19,862.06/27,408.02 = 10,909.52/x
  3. Step 3: Cross multiply
    19,862.06x = 27,408.02 × 10,909.52
  4. Step 4: Simplify right side
    19,862.06x = 299,008,342.35
  5. Step 5: Solve for x
    x = 299,008,342.35/19,862.06
  6. Step 6: Final answer
    x = 15,054.25

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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.