Home / 13,708.77-20,573.97-7,045.01

Finding the Fourth Proportional to 13,708.77, 20,573.97 and 7,045.01

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Solution

The fourth proportional to 13,708.77, 20,573.97 and 7,045.01 is: 10,573.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.77 : 20,573.97 = 7,045.01 : x
  2. Step 2: Convert to fraction form
    13,708.77/20,573.97 = 7,045.01/x
  3. Step 3: Cross multiply
    13,708.77x = 20,573.97 × 7,045.01
  4. Step 4: Simplify right side
    13,708.77x = 144,943,721.52
  5. Step 5: Solve for x
    x = 144,943,721.52/13,708.77
  6. Step 6: Final answer
    x = 10,573.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.