Home / 23,017.08-31,764.70-12,948.68

Finding the Fourth Proportional to 23,017.08, 31,764.70 and 12,948.68

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Solution

The fourth proportional to 23,017.08, 31,764.70 and 12,948.68 is: 17,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,017.08 : 31,764.70 = 12,948.68 : x
  2. Step 2: Convert to fraction form
    23,017.08/31,764.70 = 12,948.68/x
  3. Step 3: Cross multiply
    23,017.08x = 31,764.70 × 12,948.68
  4. Step 4: Simplify right side
    23,017.08x = 411,310,935.60
  5. Step 5: Solve for x
    x = 411,310,935.60/23,017.08
  6. Step 6: Final answer
    x = 17,869.81

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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.