Home / 69,409.34-104,114.28-16,818.74

Finding the Fourth Proportional to 69,409.34, 104,114.28 and 16,818.74

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Solution

The fourth proportional to 69,409.34, 104,114.28 and 16,818.74 is: 25,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,409.34 : 104,114.28 = 16,818.74 : x
  2. Step 2: Convert to fraction form
    69,409.34/104,114.28 = 16,818.74/x
  3. Step 3: Cross multiply
    69,409.34x = 104,114.28 × 16,818.74
  4. Step 4: Simplify right side
    69,409.34x = 1,751,071,005.61
  5. Step 5: Solve for x
    x = 1,751,071,005.61/69,409.34
  6. Step 6: Final answer
    x = 25,228.18

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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.