Home / 19,595.79-29,387.47-6,445.10

Finding the Fourth Proportional to 19,595.79, 29,387.47 and 6,445.10

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Solution

The fourth proportional to 19,595.79, 29,387.47 and 6,445.10 is: 9,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.79 : 29,387.47 = 6,445.10 : x
  2. Step 2: Convert to fraction form
    19,595.79/29,387.47 = 6,445.10/x
  3. Step 3: Cross multiply
    19,595.79x = 29,387.47 × 6,445.10
  4. Step 4: Simplify right side
    19,595.79x = 189,405,182.90
  5. Step 5: Solve for x
    x = 189,405,182.90/19,595.79
  6. Step 6: Final answer
    x = 9,665.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.