Home / 15,606.72-21,537.14-8,533.08

Finding the Fourth Proportional to 15,606.72, 21,537.14 and 8,533.08

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Solution

The fourth proportional to 15,606.72, 21,537.14 and 8,533.08 is: 11,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.72 : 21,537.14 = 8,533.08 : x
  2. Step 2: Convert to fraction form
    15,606.72/21,537.14 = 8,533.08/x
  3. Step 3: Cross multiply
    15,606.72x = 21,537.14 × 8,533.08
  4. Step 4: Simplify right side
    15,606.72x = 183,778,138.59
  5. Step 5: Solve for x
    x = 183,778,138.59/15,606.72
  6. Step 6: Final answer
    x = 11,775.58

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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.