Home / 14,858.12-20,503.26-8,570

Finding the Fourth Proportional to 14,858.12, 20,503.26 and 8,570

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Solution

The fourth proportional to 14,858.12, 20,503.26 and 8,570 is: 11,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.12 : 20,503.26 = 8,570 : x
  2. Step 2: Convert to fraction form
    14,858.12/20,503.26 = 8,570/x
  3. Step 3: Cross multiply
    14,858.12x = 20,503.26 × 8,570
  4. Step 4: Simplify right side
    14,858.12x = 175,712,938.20
  5. Step 5: Solve for x
    x = 175,712,938.20/14,858.12
  6. Step 6: Final answer
    x = 11,826.05

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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.