Home / 15,435.96-21,302.61-9,466.82

Finding the Fourth Proportional to 15,435.96, 21,302.61 and 9,466.82

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Solution

The fourth proportional to 15,435.96, 21,302.61 and 9,466.82 is: 13,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.96 : 21,302.61 = 9,466.82 : x
  2. Step 2: Convert to fraction form
    15,435.96/21,302.61 = 9,466.82/x
  3. Step 3: Cross multiply
    15,435.96x = 21,302.61 × 9,466.82
  4. Step 4: Simplify right side
    15,435.96x = 201,667,865.67
  5. Step 5: Solve for x
    x = 201,667,865.67/15,435.96
  6. Step 6: Final answer
    x = 13,064.81

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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.