Home / 15,551.80-21,444.53-10,507.26

Finding the Fourth Proportional to 15,551.80, 21,444.53 and 10,507.26

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Solution

The fourth proportional to 15,551.80, 21,444.53 and 10,507.26 is: 14,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.80 : 21,444.53 = 10,507.26 : x
  2. Step 2: Convert to fraction form
    15,551.80/21,444.53 = 10,507.26/x
  3. Step 3: Cross multiply
    15,551.80x = 21,444.53 × 10,507.26
  4. Step 4: Simplify right side
    15,551.80x = 225,323,252.29
  5. Step 5: Solve for x
    x = 225,323,252.29/15,551.80
  6. Step 6: Final answer
    x = 14,488.56

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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.