Home / 15,258.99-21,059.54-11,023.75

Finding the Fourth Proportional to 15,258.99, 21,059.54 and 11,023.75

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Solution

The fourth proportional to 15,258.99, 21,059.54 and 11,023.75 is: 15,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258.99 : 21,059.54 = 11,023.75 : x
  2. Step 2: Convert to fraction form
    15,258.99/21,059.54 = 11,023.75/x
  3. Step 3: Cross multiply
    15,258.99x = 21,059.54 × 11,023.75
  4. Step 4: Simplify right side
    15,258.99x = 232,155,129.16
  5. Step 5: Solve for x
    x = 232,155,129.16/15,258.99
  6. Step 6: Final answer
    x = 15,214.32

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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.