Home / 16,557.90-24,837.12-4,871.40

Finding the Fourth Proportional to 16,557.90, 24,837.12 and 4,871.40

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Solution

The fourth proportional to 16,557.90, 24,837.12 and 4,871.40 is: 7,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,557.90 : 24,837.12 = 4,871.40 : x
  2. Step 2: Convert to fraction form
    16,557.90/24,837.12 = 4,871.40/x
  3. Step 3: Cross multiply
    16,557.90x = 24,837.12 × 4,871.40
  4. Step 4: Simplify right side
    16,557.90x = 120,991,546.37
  5. Step 5: Solve for x
    x = 120,991,546.37/16,557.90
  6. Step 6: Final answer
    x = 7,307.18

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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.