Home / 19,028.48-26,260.32-10,643.52

Finding the Fourth Proportional to 19,028.48, 26,260.32 and 10,643.52

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Solution

The fourth proportional to 19,028.48, 26,260.32 and 10,643.52 is: 14,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.48 : 26,260.32 = 10,643.52 : x
  2. Step 2: Convert to fraction form
    19,028.48/26,260.32 = 10,643.52/x
  3. Step 3: Cross multiply
    19,028.48x = 26,260.32 × 10,643.52
  4. Step 4: Simplify right side
    19,028.48x = 279,502,241.13
  5. Step 5: Solve for x
    x = 279,502,241.13/19,028.48
  6. Step 6: Final answer
    x = 14,688.63

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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.