Home / 15,568.19-21,507.49-10,203.36

Finding the Fourth Proportional to 15,568.19, 21,507.49 and 10,203.36

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Solution

The fourth proportional to 15,568.19, 21,507.49 and 10,203.36 is: 14,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.19 : 21,507.49 = 10,203.36 : x
  2. Step 2: Convert to fraction form
    15,568.19/21,507.49 = 10,203.36/x
  3. Step 3: Cross multiply
    15,568.19x = 21,507.49 × 10,203.36
  4. Step 4: Simplify right side
    15,568.19x = 219,448,555.63
  5. Step 5: Solve for x
    x = 219,448,555.63/15,568.19
  6. Step 6: Final answer
    x = 14,095.96

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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.