Home / 19,298.31-26,638.23-11,342.89

Finding the Fourth Proportional to 19,298.31, 26,638.23 and 11,342.89

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Solution

The fourth proportional to 19,298.31, 26,638.23 and 11,342.89 is: 15,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.31 : 26,638.23 = 11,342.89 : x
  2. Step 2: Convert to fraction form
    19,298.31/26,638.23 = 11,342.89/x
  3. Step 3: Cross multiply
    19,298.31x = 26,638.23 × 11,342.89
  4. Step 4: Simplify right side
    19,298.31x = 302,154,512.68
  5. Step 5: Solve for x
    x = 302,154,512.68/19,298.31
  6. Step 6: Final answer
    x = 15,657.05

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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.