Home / 15,551.40-23,320.26-5,688.12

Finding the Fourth Proportional to 15,551.40, 23,320.26 and 5,688.12

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Solution

The fourth proportional to 15,551.40, 23,320.26 and 5,688.12 is: 8,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.40 : 23,320.26 = 5,688.12 : x
  2. Step 2: Convert to fraction form
    15,551.40/23,320.26 = 5,688.12/x
  3. Step 3: Cross multiply
    15,551.40x = 23,320.26 × 5,688.12
  4. Step 4: Simplify right side
    15,551.40x = 132,648,437.31
  5. Step 5: Solve for x
    x = 132,648,437.31/15,551.40
  6. Step 6: Final answer
    x = 8,529.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.