Home / 13,335.51-19,990.90-4,568.34

Finding the Fourth Proportional to 13,335.51, 19,990.90 and 4,568.34

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Solution

The fourth proportional to 13,335.51, 19,990.90 and 4,568.34 is: 6,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.51 : 19,990.90 = 4,568.34 : x
  2. Step 2: Convert to fraction form
    13,335.51/19,990.90 = 4,568.34/x
  3. Step 3: Cross multiply
    13,335.51x = 19,990.90 × 4,568.34
  4. Step 4: Simplify right side
    13,335.51x = 91,325,228.11
  5. Step 5: Solve for x
    x = 91,325,228.11/13,335.51
  6. Step 6: Final answer
    x = 6,848.27

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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.