Home / 15,606.63-21,537.53-9,474.40

Finding the Fourth Proportional to 15,606.63, 21,537.53 and 9,474.40

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Solution

The fourth proportional to 15,606.63, 21,537.53 and 9,474.40 is: 13,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.63 : 21,537.53 = 9,474.40 : x
  2. Step 2: Convert to fraction form
    15,606.63/21,537.53 = 9,474.40/x
  3. Step 3: Cross multiply
    15,606.63x = 21,537.53 × 9,474.40
  4. Step 4: Simplify right side
    15,606.63x = 204,055,174.23
  5. Step 5: Solve for x
    x = 204,055,174.23/15,606.63
  6. Step 6: Final answer
    x = 13,074.90

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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.