Home / 29,640.04-44,459.90-11,878.60

Finding the Fourth Proportional to 29,640.04, 44,459.90 and 11,878.60

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Solution

The fourth proportional to 29,640.04, 44,459.90 and 11,878.60 is: 17,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.04 : 44,459.90 = 11,878.60 : x
  2. Step 2: Convert to fraction form
    29,640.04/44,459.90 = 11,878.60/x
  3. Step 3: Cross multiply
    29,640.04x = 44,459.90 × 11,878.60
  4. Step 4: Simplify right side
    29,640.04x = 528,121,368.14
  5. Step 5: Solve for x
    x = 528,121,368.14/29,640.04
  6. Step 6: Final answer
    x = 17,817.84

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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.