Home / 13,298.04-18,358.92-8,827.92

Finding the Fourth Proportional to 13,298.04, 18,358.92 and 8,827.92

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Solution

The fourth proportional to 13,298.04, 18,358.92 and 8,827.92 is: 12,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.04 : 18,358.92 = 8,827.92 : x
  2. Step 2: Convert to fraction form
    13,298.04/18,358.92 = 8,827.92/x
  3. Step 3: Cross multiply
    13,298.04x = 18,358.92 × 8,827.92
  4. Step 4: Simplify right side
    13,298.04x = 162,071,077.05
  5. Step 5: Solve for x
    x = 162,071,077.05/13,298.04
  6. Step 6: Final answer
    x = 12,187.59

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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.