Home / 13,935.51-19,256.13-9,949.77

Finding the Fourth Proportional to 13,935.51, 19,256.13 and 9,949.77

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Solution

The fourth proportional to 13,935.51, 19,256.13 and 9,949.77 is: 13,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.51 : 19,256.13 = 9,949.77 : x
  2. Step 2: Convert to fraction form
    13,935.51/19,256.13 = 9,949.77/x
  3. Step 3: Cross multiply
    13,935.51x = 19,256.13 × 9,949.77
  4. Step 4: Simplify right side
    13,935.51x = 191,594,064.59
  5. Step 5: Solve for x
    x = 191,594,064.59/13,935.51
  6. Step 6: Final answer
    x = 13,748.62

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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.