Home / 13,955.52-19,258.55-7,582.07

Finding the Fourth Proportional to 13,955.52, 19,258.55 and 7,582.07

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Solution

The fourth proportional to 13,955.52, 19,258.55 and 7,582.07 is: 10,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.52 : 19,258.55 = 7,582.07 : x
  2. Step 2: Convert to fraction form
    13,955.52/19,258.55 = 7,582.07/x
  3. Step 3: Cross multiply
    13,955.52x = 19,258.55 × 7,582.07
  4. Step 4: Simplify right side
    13,955.52x = 146,019,540.00
  5. Step 5: Solve for x
    x = 146,019,540.00/13,955.52
  6. Step 6: Final answer
    x = 10,463.21

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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.