Home / 13,070.16-19,599.30-4,182.30

Finding the Fourth Proportional to 13,070.16, 19,599.30 and 4,182.30

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Solution

The fourth proportional to 13,070.16, 19,599.30 and 4,182.30 is: 6,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.16 : 19,599.30 = 4,182.30 : x
  2. Step 2: Convert to fraction form
    13,070.16/19,599.30 = 4,182.30/x
  3. Step 3: Cross multiply
    13,070.16x = 19,599.30 × 4,182.30
  4. Step 4: Simplify right side
    13,070.16x = 81,970,152.39
  5. Step 5: Solve for x
    x = 81,970,152.39/13,070.16
  6. Step 6: Final answer
    x = 6,271.55

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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.