Home / 12,588.36-18,874.04-7,045.53

Finding the Fourth Proportional to 12,588.36, 18,874.04 and 7,045.53

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Solution

The fourth proportional to 12,588.36, 18,874.04 and 7,045.53 is: 10,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.36 : 18,874.04 = 7,045.53 : x
  2. Step 2: Convert to fraction form
    12,588.36/18,874.04 = 7,045.53/x
  3. Step 3: Cross multiply
    12,588.36x = 18,874.04 × 7,045.53
  4. Step 4: Simplify right side
    12,588.36x = 132,977,579.81
  5. Step 5: Solve for x
    x = 132,977,579.81/12,588.36
  6. Step 6: Final answer
    x = 10,563.53

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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.