Home / 15,848.04-21,869.55-9,133.86

Finding the Fourth Proportional to 15,848.04, 21,869.55 and 9,133.86

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Solution

The fourth proportional to 15,848.04, 21,869.55 and 9,133.86 is: 12,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.04 : 21,869.55 = 9,133.86 : x
  2. Step 2: Convert to fraction form
    15,848.04/21,869.55 = 9,133.86/x
  3. Step 3: Cross multiply
    15,848.04x = 21,869.55 × 9,133.86
  4. Step 4: Simplify right side
    15,848.04x = 199,753,407.96
  5. Step 5: Solve for x
    x = 199,753,407.96/15,848.04
  6. Step 6: Final answer
    x = 12,604.30

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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.