Home / 15,462.48-21,337.95-9,410.53

Finding the Fourth Proportional to 15,462.48, 21,337.95 and 9,410.53

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Solution

The fourth proportional to 15,462.48, 21,337.95 and 9,410.53 is: 12,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462.48 : 21,337.95 = 9,410.53 : x
  2. Step 2: Convert to fraction form
    15,462.48/21,337.95 = 9,410.53/x
  3. Step 3: Cross multiply
    15,462.48x = 21,337.95 × 9,410.53
  4. Step 4: Simplify right side
    15,462.48x = 200,801,311.92
  5. Step 5: Solve for x
    x = 200,801,311.92/15,462.48
  6. Step 6: Final answer
    x = 12,986.36

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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.