Home / 13,068.09-19,587.54-5,661.45

Finding the Fourth Proportional to 13,068.09, 19,587.54 and 5,661.45

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Solution

The fourth proportional to 13,068.09, 19,587.54 and 5,661.45 is: 8,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.09 : 19,587.54 = 5,661.45 : x
  2. Step 2: Convert to fraction form
    13,068.09/19,587.54 = 5,661.45/x
  3. Step 3: Cross multiply
    13,068.09x = 19,587.54 × 5,661.45
  4. Step 4: Simplify right side
    13,068.09x = 110,893,878.33
  5. Step 5: Solve for x
    x = 110,893,878.33/13,068.09
  6. Step 6: Final answer
    x = 8,485.85

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1.5x scale

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.