Home / 17,916.75-26,875.13-6,972.75

Finding the Fourth Proportional to 17,916.75, 26,875.13 and 6,972.75

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Solution

The fourth proportional to 17,916.75, 26,875.13 and 6,972.75 is: 10,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.75 : 26,875.13 = 6,972.75 : x
  2. Step 2: Convert to fraction form
    17,916.75/26,875.13 = 6,972.75/x
  3. Step 3: Cross multiply
    17,916.75x = 26,875.13 × 6,972.75
  4. Step 4: Simplify right side
    17,916.75x = 187,393,527.84
  5. Step 5: Solve for x
    x = 187,393,527.84/17,916.75
  6. Step 6: Final answer
    x = 10,459.13

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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.