Home / 14,673.20-22,009.60-4,812.80

Finding the Fourth Proportional to 14,673.20, 22,009.60 and 4,812.80

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Solution

The fourth proportional to 14,673.20, 22,009.60 and 4,812.80 is: 7,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.20 : 22,009.60 = 4,812.80 : x
  2. Step 2: Convert to fraction form
    14,673.20/22,009.60 = 4,812.80/x
  3. Step 3: Cross multiply
    14,673.20x = 22,009.60 × 4,812.80
  4. Step 4: Simplify right side
    14,673.20x = 105,927,802.88
  5. Step 5: Solve for x
    x = 105,927,802.88/14,673.20
  6. Step 6: Final answer
    x = 7,219.13

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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.