Home / 26,457.40-39,653.70-11,650.60

Finding the Fourth Proportional to 26,457.40, 39,653.70 and 11,650.60

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Solution

The fourth proportional to 26,457.40, 39,653.70 and 11,650.60 is: 17,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.40 : 39,653.70 = 11,650.60 : x
  2. Step 2: Convert to fraction form
    26,457.40/39,653.70 = 11,650.60/x
  3. Step 3: Cross multiply
    26,457.40x = 39,653.70 × 11,650.60
  4. Step 4: Simplify right side
    26,457.40x = 461,989,397.22
  5. Step 5: Solve for x
    x = 461,989,397.22/26,457.40
  6. Step 6: Final answer
    x = 17,461.63

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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.