Home / 21,586.66-29,788.78-12,026.32

Finding the Fourth Proportional to 21,586.66, 29,788.78 and 12,026.32

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Solution

The fourth proportional to 21,586.66, 29,788.78 and 12,026.32 is: 16,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.66 : 29,788.78 = 12,026.32 : x
  2. Step 2: Convert to fraction form
    21,586.66/29,788.78 = 12,026.32/x
  3. Step 3: Cross multiply
    21,586.66x = 29,788.78 × 12,026.32
  4. Step 4: Simplify right side
    21,586.66x = 358,249,400.69
  5. Step 5: Solve for x
    x = 358,249,400.69/21,586.66
  6. Step 6: Final answer
    x = 16,595.87

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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.