Home / 29,409.74-40,585.59-15,981.09

Finding the Fourth Proportional to 29,409.74, 40,585.59 and 15,981.09

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Solution

The fourth proportional to 29,409.74, 40,585.59 and 15,981.09 is: 22,053.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,409.74 : 40,585.59 = 15,981.09 : x
  2. Step 2: Convert to fraction form
    29,409.74/40,585.59 = 15,981.09/x
  3. Step 3: Cross multiply
    29,409.74x = 40,585.59 × 15,981.09
  4. Step 4: Simplify right side
    29,409.74x = 648,601,966.49
  5. Step 5: Solve for x
    x = 648,601,966.49/29,409.74
  6. Step 6: Final answer
    x = 22,053.99

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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.