Home / 13,735.24-18,953.76-7,767.16

Finding the Fourth Proportional to 13,735.24, 18,953.76 and 7,767.16

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Solution

The fourth proportional to 13,735.24, 18,953.76 and 7,767.16 is: 10,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.24 : 18,953.76 = 7,767.16 : x
  2. Step 2: Convert to fraction form
    13,735.24/18,953.76 = 7,767.16/x
  3. Step 3: Cross multiply
    13,735.24x = 18,953.76 × 7,767.16
  4. Step 4: Simplify right side
    13,735.24x = 147,216,886.52
  5. Step 5: Solve for x
    x = 147,216,886.52/13,735.24
  6. Step 6: Final answer
    x = 10,718.19

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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.