Home / 14,026.48-19,355.20-7,738.45

Finding the Fourth Proportional to 14,026.48, 19,355.20 and 7,738.45

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Solution

The fourth proportional to 14,026.48, 19,355.20 and 7,738.45 is: 10,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.48 : 19,355.20 = 7,738.45 : x
  2. Step 2: Convert to fraction form
    14,026.48/19,355.20 = 7,738.45/x
  3. Step 3: Cross multiply
    14,026.48x = 19,355.20 × 7,738.45
  4. Step 4: Simplify right side
    14,026.48x = 149,779,247.44
  5. Step 5: Solve for x
    x = 149,779,247.44/14,026.48
  6. Step 6: Final answer
    x = 10,678.32

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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.