Home / 15,548.52-21,457.24-8,474.96

Finding the Fourth Proportional to 15,548.52, 21,457.24 and 8,474.96

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Solution

The fourth proportional to 15,548.52, 21,457.24 and 8,474.96 is: 11,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.52 : 21,457.24 = 8,474.96 : x
  2. Step 2: Convert to fraction form
    15,548.52/21,457.24 = 8,474.96/x
  3. Step 3: Cross multiply
    15,548.52x = 21,457.24 × 8,474.96
  4. Step 4: Simplify right side
    15,548.52x = 181,849,250.71
  5. Step 5: Solve for x
    x = 181,849,250.71/15,548.52
  6. Step 6: Final answer
    x = 11,695.60

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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.