Home / 15,875.76-23,813.37-5,487.24

Finding the Fourth Proportional to 15,875.76, 23,813.37 and 5,487.24

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Solution

The fourth proportional to 15,875.76, 23,813.37 and 5,487.24 is: 8,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.76 : 23,813.37 = 5,487.24 : x
  2. Step 2: Convert to fraction form
    15,875.76/23,813.37 = 5,487.24/x
  3. Step 3: Cross multiply
    15,875.76x = 23,813.37 × 5,487.24
  4. Step 4: Simplify right side
    15,875.76x = 130,669,676.40
  5. Step 5: Solve for x
    x = 130,669,676.40/15,875.76
  6. Step 6: Final answer
    x = 8,230.77

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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.