Home / 18,300.44-25,254.64-9,916.94

Finding the Fourth Proportional to 18,300.44, 25,254.64 and 9,916.94

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Solution

The fourth proportional to 18,300.44, 25,254.64 and 9,916.94 is: 13,685.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.44 : 25,254.64 = 9,916.94 : x
  2. Step 2: Convert to fraction form
    18,300.44/25,254.64 = 9,916.94/x
  3. Step 3: Cross multiply
    18,300.44x = 25,254.64 × 9,916.94
  4. Step 4: Simplify right side
    18,300.44x = 250,448,749.60
  5. Step 5: Solve for x
    x = 250,448,749.60/18,300.44
  6. Step 6: Final answer
    x = 13,685.39

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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.