Home / 13,380.09-20,070.59-5,058.10

Finding the Fourth Proportional to 13,380.09, 20,070.59 and 5,058.10

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Solution

The fourth proportional to 13,380.09, 20,070.59 and 5,058.10 is: 7,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.09 : 20,070.59 = 5,058.10 : x
  2. Step 2: Convert to fraction form
    13,380.09/20,070.59 = 5,058.10/x
  3. Step 3: Cross multiply
    13,380.09x = 20,070.59 × 5,058.10
  4. Step 4: Simplify right side
    13,380.09x = 101,518,938.18
  5. Step 5: Solve for x
    x = 101,518,938.18/13,380.09
  6. Step 6: Final answer
    x = 7,587.32

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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.