Home / 15,764.39-23,646.81-4,672.21

Finding the Fourth Proportional to 15,764.39, 23,646.81 and 4,672.21

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Solution

The fourth proportional to 15,764.39, 23,646.81 and 4,672.21 is: 7,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764.39 : 23,646.81 = 4,672.21 : x
  2. Step 2: Convert to fraction form
    15,764.39/23,646.81 = 4,672.21/x
  3. Step 3: Cross multiply
    15,764.39x = 23,646.81 × 4,672.21
  4. Step 4: Simplify right side
    15,764.39x = 110,482,862.15
  5. Step 5: Solve for x
    x = 110,482,862.15/15,764.39
  6. Step 6: Final answer
    x = 7,008.38

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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.