Home / 20,258.07-27,957.54-11,307.32

Finding the Fourth Proportional to 20,258.07, 27,957.54 and 11,307.32

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Solution

The fourth proportional to 20,258.07, 27,957.54 and 11,307.32 is: 15,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.07 : 27,957.54 = 11,307.32 : x
  2. Step 2: Convert to fraction form
    20,258.07/27,957.54 = 11,307.32/x
  3. Step 3: Cross multiply
    20,258.07x = 27,957.54 × 11,307.32
  4. Step 4: Simplify right side
    20,258.07x = 316,124,851.19
  5. Step 5: Solve for x
    x = 316,124,851.19/20,258.07
  6. Step 6: Final answer
    x = 15,604.88

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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.