Home / 15,657.48-23,477.58-6,429.96

Finding the Fourth Proportional to 15,657.48, 23,477.58 and 6,429.96

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Solution

The fourth proportional to 15,657.48, 23,477.58 and 6,429.96 is: 9,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.48 : 23,477.58 = 6,429.96 : x
  2. Step 2: Convert to fraction form
    15,657.48/23,477.58 = 6,429.96/x
  3. Step 3: Cross multiply
    15,657.48x = 23,477.58 × 6,429.96
  4. Step 4: Simplify right side
    15,657.48x = 150,959,900.30
  5. Step 5: Solve for x
    x = 150,959,900.30/15,657.48
  6. Step 6: Final answer
    x = 9,641.39

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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.