Home / 13,567.95-20,354.83-4,207.77

Finding the Fourth Proportional to 13,567.95, 20,354.83 and 4,207.77

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Solution

The fourth proportional to 13,567.95, 20,354.83 and 4,207.77 is: 6,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.95 : 20,354.83 = 4,207.77 : x
  2. Step 2: Convert to fraction form
    13,567.95/20,354.83 = 4,207.77/x
  3. Step 3: Cross multiply
    13,567.95x = 20,354.83 × 4,207.77
  4. Step 4: Simplify right side
    13,567.95x = 85,648,341.25
  5. Step 5: Solve for x
    x = 85,648,341.25/13,567.95
  6. Step 6: Final answer
    x = 6,312.55

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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.