Home / 19,528.83-26,943.44-12,457.53

Finding the Fourth Proportional to 19,528.83, 26,943.44 and 12,457.53

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Solution

The fourth proportional to 19,528.83, 26,943.44 and 12,457.53 is: 17,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.83 : 26,943.44 = 12,457.53 : x
  2. Step 2: Convert to fraction form
    19,528.83/26,943.44 = 12,457.53/x
  3. Step 3: Cross multiply
    19,528.83x = 26,943.44 × 12,457.53
  4. Step 4: Simplify right side
    19,528.83x = 335,648,649.82
  5. Step 5: Solve for x
    x = 335,648,649.82/19,528.83
  6. Step 6: Final answer
    x = 17,187.34

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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.