Home / 15,562.68-21,474.63-8,848.32

Finding the Fourth Proportional to 15,562.68, 21,474.63 and 8,848.32

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Solution

The fourth proportional to 15,562.68, 21,474.63 and 8,848.32 is: 12,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.68 : 21,474.63 = 8,848.32 : x
  2. Step 2: Convert to fraction form
    15,562.68/21,474.63 = 8,848.32/x
  3. Step 3: Cross multiply
    15,562.68x = 21,474.63 × 8,848.32
  4. Step 4: Simplify right side
    15,562.68x = 190,014,398.12
  5. Step 5: Solve for x
    x = 190,014,398.12/15,562.68
  6. Step 6: Final answer
    x = 12,209.62

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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.