Home / 13,693.68-18,915.72-10,589.04

Finding the Fourth Proportional to 13,693.68, 18,915.72 and 10,589.04

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Solution

The fourth proportional to 13,693.68, 18,915.72 and 10,589.04 is: 14,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.68 : 18,915.72 = 10,589.04 : x
  2. Step 2: Convert to fraction form
    13,693.68/18,915.72 = 10,589.04/x
  3. Step 3: Cross multiply
    13,693.68x = 18,915.72 × 10,589.04
  4. Step 4: Simplify right side
    13,693.68x = 200,299,315.71
  5. Step 5: Solve for x
    x = 200,299,315.71/13,693.68
  6. Step 6: Final answer
    x = 14,627.14

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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.