Home / 13,325.40-19,988.10-5,534.82

Finding the Fourth Proportional to 13,325.40, 19,988.10 and 5,534.82

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Solution

The fourth proportional to 13,325.40, 19,988.10 and 5,534.82 is: 8,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.40 : 19,988.10 = 5,534.82 : x
  2. Step 2: Convert to fraction form
    13,325.40/19,988.10 = 5,534.82/x
  3. Step 3: Cross multiply
    13,325.40x = 19,988.10 × 5,534.82
  4. Step 4: Simplify right side
    13,325.40x = 110,630,535.64
  5. Step 5: Solve for x
    x = 110,630,535.64/13,325.40
  6. Step 6: Final answer
    x = 8,302.23

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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.