Home / 18,370.61-25,357.17-10,816.34

Finding the Fourth Proportional to 18,370.61, 25,357.17 and 10,816.34

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Solution

The fourth proportional to 18,370.61, 25,357.17 and 10,816.34 is: 14,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.61 : 25,357.17 = 10,816.34 : x
  2. Step 2: Convert to fraction form
    18,370.61/25,357.17 = 10,816.34/x
  3. Step 3: Cross multiply
    18,370.61x = 25,357.17 × 10,816.34
  4. Step 4: Simplify right side
    18,370.61x = 274,271,772.16
  5. Step 5: Solve for x
    x = 274,271,772.16/18,370.61
  6. Step 6: Final answer
    x = 14,929.92

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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.