Home / 13,056.49-19,543.42-8,370.24

Finding the Fourth Proportional to 13,056.49, 19,543.42 and 8,370.24

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Solution

The fourth proportional to 13,056.49, 19,543.42 and 8,370.24 is: 12,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.49 : 19,543.42 = 8,370.24 : x
  2. Step 2: Convert to fraction form
    13,056.49/19,543.42 = 8,370.24/x
  3. Step 3: Cross multiply
    13,056.49x = 19,543.42 × 8,370.24
  4. Step 4: Simplify right side
    13,056.49x = 163,583,115.82
  5. Step 5: Solve for x
    x = 163,583,115.82/13,056.49
  6. Step 6: Final answer
    x = 12,528.87

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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.