Home / 13,106.50-19,643.36-10,322.18

Finding the Fourth Proportional to 13,106.50, 19,643.36 and 10,322.18

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Solution

The fourth proportional to 13,106.50, 19,643.36 and 10,322.18 is: 15,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.50 : 19,643.36 = 10,322.18 : x
  2. Step 2: Convert to fraction form
    13,106.50/19,643.36 = 10,322.18/x
  3. Step 3: Cross multiply
    13,106.50x = 19,643.36 × 10,322.18
  4. Step 4: Simplify right side
    13,106.50x = 202,762,279.62
  5. Step 5: Solve for x
    x = 202,762,279.62/13,106.50
  6. Step 6: Final answer
    x = 15,470.36

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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.