Home / 19,483.20-26,883.36-11,525.76

Finding the Fourth Proportional to 19,483.20, 26,883.36 and 11,525.76

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Solution

The fourth proportional to 19,483.20, 26,883.36 and 11,525.76 is: 15,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.20 : 26,883.36 = 11,525.76 : x
  2. Step 2: Convert to fraction form
    19,483.20/26,883.36 = 11,525.76/x
  3. Step 3: Cross multiply
    19,483.20x = 26,883.36 × 11,525.76
  4. Step 4: Simplify right side
    19,483.20x = 309,851,155.35
  5. Step 5: Solve for x
    x = 309,851,155.35/19,483.20
  6. Step 6: Final answer
    x = 15,903.50

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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.