Home / 13,293.42-18,341.74-7,550.58

Finding the Fourth Proportional to 13,293.42, 18,341.74 and 7,550.58

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Solution

The fourth proportional to 13,293.42, 18,341.74 and 7,550.58 is: 10,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.42 : 18,341.74 = 7,550.58 : x
  2. Step 2: Convert to fraction form
    13,293.42/18,341.74 = 7,550.58/x
  3. Step 3: Cross multiply
    13,293.42x = 18,341.74 × 7,550.58
  4. Step 4: Simplify right side
    13,293.42x = 138,490,853.43
  5. Step 5: Solve for x
    x = 138,490,853.43/13,293.42
  6. Step 6: Final answer
    x = 10,418.00

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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.