Home / 13,331.60-19,985.04-5,017.13

Finding the Fourth Proportional to 13,331.60, 19,985.04 and 5,017.13

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Solution

The fourth proportional to 13,331.60, 19,985.04 and 5,017.13 is: 7,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.60 : 19,985.04 = 5,017.13 : x
  2. Step 2: Convert to fraction form
    13,331.60/19,985.04 = 5,017.13/x
  3. Step 3: Cross multiply
    13,331.60x = 19,985.04 × 5,017.13
  4. Step 4: Simplify right side
    13,331.60x = 100,267,543.74
  5. Step 5: Solve for x
    x = 100,267,543.74/13,331.60
  6. Step 6: Final answer
    x = 7,521.04

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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.