Home / 19,196.04-26,483.40-12,912.60

Finding the Fourth Proportional to 19,196.04, 26,483.40 and 12,912.60

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Solution

The fourth proportional to 19,196.04, 26,483.40 and 12,912.60 is: 17,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.04 : 26,483.40 = 12,912.60 : x
  2. Step 2: Convert to fraction form
    19,196.04/26,483.40 = 12,912.60/x
  3. Step 3: Cross multiply
    19,196.04x = 26,483.40 × 12,912.60
  4. Step 4: Simplify right side
    19,196.04x = 341,969,550.84
  5. Step 5: Solve for x
    x = 341,969,550.84/19,196.04
  6. Step 6: Final answer
    x = 17,814.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.