Home / 13,735.23-18,953.58-9,265.05

Finding the Fourth Proportional to 13,735.23, 18,953.58 and 9,265.05

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Solution

The fourth proportional to 13,735.23, 18,953.58 and 9,265.05 is: 12,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.23 : 18,953.58 = 9,265.05 : x
  2. Step 2: Convert to fraction form
    13,735.23/18,953.58 = 9,265.05/x
  3. Step 3: Cross multiply
    13,735.23x = 18,953.58 × 9,265.05
  4. Step 4: Simplify right side
    13,735.23x = 175,605,866.38
  5. Step 5: Solve for x
    x = 175,605,866.38/13,735.23
  6. Step 6: Final answer
    x = 12,785.07

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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.