Home / 17,586.64-26,328.88-12,315.12

Finding the Fourth Proportional to 17,586.64, 26,328.88 and 12,315.12

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Solution

The fourth proportional to 17,586.64, 26,328.88 and 12,315.12 is: 18,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,586.64 : 26,328.88 = 12,315.12 : x
  2. Step 2: Convert to fraction form
    17,586.64/26,328.88 = 12,315.12/x
  3. Step 3: Cross multiply
    17,586.64x = 26,328.88 × 12,315.12
  4. Step 4: Simplify right side
    17,586.64x = 324,243,316.67
  5. Step 5: Solve for x
    x = 324,243,316.67/17,586.64
  6. Step 6: Final answer
    x = 18,436.91

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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.