Home / 14,027.48-19,357.98-7,740.04

Finding the Fourth Proportional to 14,027.48, 19,357.98 and 7,740.04

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Solution

The fourth proportional to 14,027.48, 19,357.98 and 7,740.04 is: 10,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.48 : 19,357.98 = 7,740.04 : x
  2. Step 2: Convert to fraction form
    14,027.48/19,357.98 = 7,740.04/x
  3. Step 3: Cross multiply
    14,027.48x = 19,357.98 × 7,740.04
  4. Step 4: Simplify right side
    14,027.48x = 149,831,539.52
  5. Step 5: Solve for x
    x = 149,831,539.52/14,027.48
  6. Step 6: Final answer
    x = 10,681.29

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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.