Home / 14,759.68-20,368.03-8,045.05

Finding the Fourth Proportional to 14,759.68, 20,368.03 and 8,045.05

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Solution

The fourth proportional to 14,759.68, 20,368.03 and 8,045.05 is: 11,101.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.68 : 20,368.03 = 8,045.05 : x
  2. Step 2: Convert to fraction form
    14,759.68/20,368.03 = 8,045.05/x
  3. Step 3: Cross multiply
    14,759.68x = 20,368.03 × 8,045.05
  4. Step 4: Simplify right side
    14,759.68x = 163,861,697.80
  5. Step 5: Solve for x
    x = 163,861,697.80/14,759.68
  6. Step 6: Final answer
    x = 11,101.99

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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.