Home / 13,925.39-19,209.29-8,254.68

Finding the Fourth Proportional to 13,925.39, 19,209.29 and 8,254.68

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Solution

The fourth proportional to 13,925.39, 19,209.29 and 8,254.68 is: 11,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.39 : 19,209.29 = 8,254.68 : x
  2. Step 2: Convert to fraction form
    13,925.39/19,209.29 = 8,254.68/x
  3. Step 3: Cross multiply
    13,925.39x = 19,209.29 × 8,254.68
  4. Step 4: Simplify right side
    13,925.39x = 158,566,428.67
  5. Step 5: Solve for x
    x = 158,566,428.67/13,925.39
  6. Step 6: Final answer
    x = 11,386.86

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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.