Home / 13,210.50-19,802.10-4,442.46

Finding the Fourth Proportional to 13,210.50, 19,802.10 and 4,442.46

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Solution

The fourth proportional to 13,210.50, 19,802.10 and 4,442.46 is: 6,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.50 : 19,802.10 = 4,442.46 : x
  2. Step 2: Convert to fraction form
    13,210.50/19,802.10 = 4,442.46/x
  3. Step 3: Cross multiply
    13,210.50x = 19,802.10 × 4,442.46
  4. Step 4: Simplify right side
    13,210.50x = 87,970,037.17
  5. Step 5: Solve for x
    x = 87,970,037.17/13,210.50
  6. Step 6: Final answer
    x = 6,659.10

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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.