Home / 15,095.77-20,809.31-10,612.42

Finding the Fourth Proportional to 15,095.77, 20,809.31 and 10,612.42

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Solution

The fourth proportional to 15,095.77, 20,809.31 and 10,612.42 is: 14,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,095.77 : 20,809.31 = 10,612.42 : x
  2. Step 2: Convert to fraction form
    15,095.77/20,809.31 = 10,612.42/x
  3. Step 3: Cross multiply
    15,095.77x = 20,809.31 × 10,612.42
  4. Step 4: Simplify right side
    15,095.77x = 220,837,032.54
  5. Step 5: Solve for x
    x = 220,837,032.54/15,095.77
  6. Step 6: Final answer
    x = 14,629.07

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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.