Home / 26,742.48-36,905.72-14,805.60

Finding the Fourth Proportional to 26,742.48, 36,905.72 and 14,805.60

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Solution

The fourth proportional to 26,742.48, 36,905.72 and 14,805.60 is: 20,432.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.48 : 36,905.72 = 14,805.60 : x
  2. Step 2: Convert to fraction form
    26,742.48/36,905.72 = 14,805.60/x
  3. Step 3: Cross multiply
    26,742.48x = 36,905.72 × 14,805.60
  4. Step 4: Simplify right side
    26,742.48x = 546,411,328.03
  5. Step 5: Solve for x
    x = 546,411,328.03/26,742.48
  6. Step 6: Final answer
    x = 20,432.34

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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.