Home / 18,946.48-26,146.38-10,989.04

Finding the Fourth Proportional to 18,946.48, 26,146.38 and 10,989.04

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Solution

The fourth proportional to 18,946.48, 26,146.38 and 10,989.04 is: 15,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.48 : 26,146.38 = 10,989.04 : x
  2. Step 2: Convert to fraction form
    18,946.48/26,146.38 = 10,989.04/x
  3. Step 3: Cross multiply
    18,946.48x = 26,146.38 × 10,989.04
  4. Step 4: Simplify right side
    18,946.48x = 287,323,615.68
  5. Step 5: Solve for x
    x = 287,323,615.68/18,946.48
  6. Step 6: Final answer
    x = 15,165.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.