Home / 21,598.74-29,816.27-15,230.52

Finding the Fourth Proportional to 21,598.74, 29,816.27 and 15,230.52

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Solution

The fourth proportional to 21,598.74, 29,816.27 and 15,230.52 is: 21,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598.74 : 29,816.27 = 15,230.52 : x
  2. Step 2: Convert to fraction form
    21,598.74/29,816.27 = 15,230.52/x
  3. Step 3: Cross multiply
    21,598.74x = 29,816.27 × 15,230.52
  4. Step 4: Simplify right side
    21,598.74x = 454,117,296.56
  5. Step 5: Solve for x
    x = 454,117,296.56/21,598.74
  6. Step 6: Final answer
    x = 21,025.18

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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.