Home / 19,495.95-26,903.16-11,111.91

Finding the Fourth Proportional to 19,495.95, 26,903.16 and 11,111.91

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Solution

The fourth proportional to 19,495.95, 26,903.16 and 11,111.91 is: 15,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.95 : 26,903.16 = 11,111.91 : x
  2. Step 2: Convert to fraction form
    19,495.95/26,903.16 = 11,111.91/x
  3. Step 3: Cross multiply
    19,495.95x = 26,903.16 × 11,111.91
  4. Step 4: Simplify right side
    19,495.95x = 298,945,492.64
  5. Step 5: Solve for x
    x = 298,945,492.64/19,495.95
  6. Step 6: Final answer
    x = 15,333.72

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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.