Home / 14,221.66-19,632.17-9,188.32

Finding the Fourth Proportional to 14,221.66, 19,632.17 and 9,188.32

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Solution

The fourth proportional to 14,221.66, 19,632.17 and 9,188.32 is: 12,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.66 : 19,632.17 = 9,188.32 : x
  2. Step 2: Convert to fraction form
    14,221.66/19,632.17 = 9,188.32/x
  3. Step 3: Cross multiply
    14,221.66x = 19,632.17 × 9,188.32
  4. Step 4: Simplify right side
    14,221.66x = 180,386,565.23
  5. Step 5: Solve for x
    x = 180,386,565.23/14,221.66
  6. Step 6: Final answer
    x = 12,683.93

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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.