Home / 19,670.18-29,516.06-9,281.66

Finding the Fourth Proportional to 19,670.18, 29,516.06 and 9,281.66

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Solution

The fourth proportional to 19,670.18, 29,516.06 and 9,281.66 is: 13,927.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.18 : 29,516.06 = 9,281.66 : x
  2. Step 2: Convert to fraction form
    19,670.18/29,516.06 = 9,281.66/x
  3. Step 3: Cross multiply
    19,670.18x = 29,516.06 × 9,281.66
  4. Step 4: Simplify right side
    19,670.18x = 273,957,909.08
  5. Step 5: Solve for x
    x = 273,957,909.08/19,670.18
  6. Step 6: Final answer
    x = 13,927.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.