Home / 13,554.73-18,701.27-7,585.45

Finding the Fourth Proportional to 13,554.73, 18,701.27 and 7,585.45

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Solution

The fourth proportional to 13,554.73, 18,701.27 and 7,585.45 is: 10,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.73 : 18,701.27 = 7,585.45 : x
  2. Step 2: Convert to fraction form
    13,554.73/18,701.27 = 7,585.45/x
  3. Step 3: Cross multiply
    13,554.73x = 18,701.27 × 7,585.45
  4. Step 4: Simplify right side
    13,554.73x = 141,857,510.59
  5. Step 5: Solve for x
    x = 141,857,510.59/13,554.73
  6. Step 6: Final answer
    x = 10,465.54

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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.