Home / 29,402.48-40,559.84-18,628.32

Finding the Fourth Proportional to 29,402.48, 40,559.84 and 18,628.32

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Solution

The fourth proportional to 29,402.48, 40,559.84 and 18,628.32 is: 25,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,402.48 : 40,559.84 = 18,628.32 : x
  2. Step 2: Convert to fraction form
    29,402.48/40,559.84 = 18,628.32/x
  3. Step 3: Cross multiply
    29,402.48x = 40,559.84 × 18,628.32
  4. Step 4: Simplify right side
    29,402.48x = 755,561,678.67
  5. Step 5: Solve for x
    x = 755,561,678.67/29,402.48
  6. Step 6: Final answer
    x = 25,697.21

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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.