Home / 13,925.25-19,216.85-7,637.76

Finding the Fourth Proportional to 13,925.25, 19,216.85 and 7,637.76

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Solution

The fourth proportional to 13,925.25, 19,216.85 and 7,637.76 is: 10,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.25 : 19,216.85 = 7,637.76 : x
  2. Step 2: Convert to fraction form
    13,925.25/19,216.85 = 7,637.76/x
  3. Step 3: Cross multiply
    13,925.25x = 19,216.85 × 7,637.76
  4. Step 4: Simplify right side
    13,925.25x = 146,773,688.26
  5. Step 5: Solve for x
    x = 146,773,688.26/13,925.25
  6. Step 6: Final answer
    x = 10,540.11

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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.