Home / 19,492.64-26,901.60-11,111.84

Finding the Fourth Proportional to 19,492.64, 26,901.60 and 11,111.84

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Solution

The fourth proportional to 19,492.64, 26,901.60 and 11,111.84 is: 15,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.64 : 26,901.60 = 11,111.84 : x
  2. Step 2: Convert to fraction form
    19,492.64/26,901.60 = 11,111.84/x
  3. Step 3: Cross multiply
    19,492.64x = 26,901.60 × 11,111.84
  4. Step 4: Simplify right side
    19,492.64x = 298,926,274.94
  5. Step 5: Solve for x
    x = 298,926,274.94/19,492.64
  6. Step 6: Final answer
    x = 15,335.34

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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.