Home / 32,854.40-45,343.77-18,708.56

Finding the Fourth Proportional to 32,854.40, 45,343.77 and 18,708.56

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Solution

The fourth proportional to 32,854.40, 45,343.77 and 18,708.56 is: 25,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,854.40 : 45,343.77 = 18,708.56 : x
  2. Step 2: Convert to fraction form
    32,854.40/45,343.77 = 18,708.56/x
  3. Step 3: Cross multiply
    32,854.40x = 45,343.77 × 18,708.56
  4. Step 4: Simplify right side
    32,854.40x = 848,316,641.67
  5. Step 5: Solve for x
    x = 848,316,641.67/32,854.40
  6. Step 6: Final answer
    x = 25,820.49

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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.