Home / 19,733.64-27,232.02-10,780.80

Finding the Fourth Proportional to 19,733.64, 27,232.02 and 10,780.80

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Solution

The fourth proportional to 19,733.64, 27,232.02 and 10,780.80 is: 14,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.64 : 27,232.02 = 10,780.80 : x
  2. Step 2: Convert to fraction form
    19,733.64/27,232.02 = 10,780.80/x
  3. Step 3: Cross multiply
    19,733.64x = 27,232.02 × 10,780.80
  4. Step 4: Simplify right side
    19,733.64x = 293,582,961.22
  5. Step 5: Solve for x
    x = 293,582,961.22/19,733.64
  6. Step 6: Final answer
    x = 14,877.28

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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.