Home / 19,615.34-29,439.41-10,258.63

Finding the Fourth Proportional to 19,615.34, 29,439.41 and 10,258.63

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Solution

The fourth proportional to 19,615.34, 29,439.41 and 10,258.63 is: 15,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.34 : 29,439.41 = 10,258.63 : x
  2. Step 2: Convert to fraction form
    19,615.34/29,439.41 = 10,258.63/x
  3. Step 3: Cross multiply
    19,615.34x = 29,439.41 × 10,258.63
  4. Step 4: Simplify right side
    19,615.34x = 302,008,014.61
  5. Step 5: Solve for x
    x = 302,008,014.61/19,615.34
  6. Step 6: Final answer
    x = 15,396.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.