Home / 19,135.89-26,407.08-11,068.95

Finding the Fourth Proportional to 19,135.89, 26,407.08 and 11,068.95

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Solution

The fourth proportional to 19,135.89, 26,407.08 and 11,068.95 is: 15,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.89 : 26,407.08 = 11,068.95 : x
  2. Step 2: Convert to fraction form
    19,135.89/26,407.08 = 11,068.95/x
  3. Step 3: Cross multiply
    19,135.89x = 26,407.08 × 11,068.95
  4. Step 4: Simplify right side
    19,135.89x = 292,298,648.17
  5. Step 5: Solve for x
    x = 292,298,648.17/19,135.89
  6. Step 6: Final answer
    x = 15,274.89

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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.