Home / 21,652.10-29,863.35-14,948.94

Finding the Fourth Proportional to 21,652.10, 29,863.35 and 14,948.94

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Solution

The fourth proportional to 21,652.10, 29,863.35 and 14,948.94 is: 20,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.10 : 29,863.35 = 14,948.94 : x
  2. Step 2: Convert to fraction form
    21,652.10/29,863.35 = 14,948.94/x
  3. Step 3: Cross multiply
    21,652.10x = 29,863.35 × 14,948.94
  4. Step 4: Simplify right side
    21,652.10x = 446,425,427.35
  5. Step 5: Solve for x
    x = 446,425,427.35/21,652.10
  6. Step 6: Final answer
    x = 20,618.11

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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.