Home / 15,551.04-21,443.50-10,506.52

Finding the Fourth Proportional to 15,551.04, 21,443.50 and 10,506.52

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Solution

The fourth proportional to 15,551.04, 21,443.50 and 10,506.52 is: 14,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.04 : 21,443.50 = 10,506.52 : x
  2. Step 2: Convert to fraction form
    15,551.04/21,443.50 = 10,506.52/x
  3. Step 3: Cross multiply
    15,551.04x = 21,443.50 × 10,506.52
  4. Step 4: Simplify right side
    15,551.04x = 225,296,561.62
  5. Step 5: Solve for x
    x = 225,296,561.62/15,551.04
  6. Step 6: Final answer
    x = 14,487.56

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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.