Home / 19,340.42-26,689.70-10,842.56

Finding the Fourth Proportional to 19,340.42, 26,689.70 and 10,842.56

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Solution

The fourth proportional to 19,340.42, 26,689.70 and 10,842.56 is: 14,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.42 : 26,689.70 = 10,842.56 : x
  2. Step 2: Convert to fraction form
    19,340.42/26,689.70 = 10,842.56/x
  3. Step 3: Cross multiply
    19,340.42x = 26,689.70 × 10,842.56
  4. Step 4: Simplify right side
    19,340.42x = 289,384,673.63
  5. Step 5: Solve for x
    x = 289,384,673.63/19,340.42
  6. Step 6: Final answer
    x = 14,962.69

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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.