Home / 17,586.98-26,361.75-12,038.78

Finding the Fourth Proportional to 17,586.98, 26,361.75 and 12,038.78

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Solution

The fourth proportional to 17,586.98, 26,361.75 and 12,038.78 is: 18,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,586.98 : 26,361.75 = 12,038.78 : x
  2. Step 2: Convert to fraction form
    17,586.98/26,361.75 = 12,038.78/x
  3. Step 3: Cross multiply
    17,586.98x = 26,361.75 × 12,038.78
  4. Step 4: Simplify right side
    17,586.98x = 317,363,308.67
  5. Step 5: Solve for x
    x = 317,363,308.67/17,586.98
  6. Step 6: Final answer
    x = 18,045.36

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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.