Home / 13,048.08-19,572.12-4,280.64

Finding the Fourth Proportional to 13,048.08, 19,572.12 and 4,280.64

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Solution

The fourth proportional to 13,048.08, 19,572.12 and 4,280.64 is: 6,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.08 : 19,572.12 = 4,280.64 : x
  2. Step 2: Convert to fraction form
    13,048.08/19,572.12 = 4,280.64/x
  3. Step 3: Cross multiply
    13,048.08x = 19,572.12 × 4,280.64
  4. Step 4: Simplify right side
    13,048.08x = 83,781,199.76
  5. Step 5: Solve for x
    x = 83,781,199.76/13,048.08
  6. Step 6: Final answer
    x = 6,420.96

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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.