Home / 32,967.19-45,494.46-18,820

Finding the Fourth Proportional to 32,967.19, 45,494.46 and 18,820

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Solution

The fourth proportional to 32,967.19, 45,494.46 and 18,820 is: 25,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,967.19 : 45,494.46 = 18,820 : x
  2. Step 2: Convert to fraction form
    32,967.19/45,494.46 = 18,820/x
  3. Step 3: Cross multiply
    32,967.19x = 45,494.46 × 18,820
  4. Step 4: Simplify right side
    32,967.19x = 856,205,737.20
  5. Step 5: Solve for x
    x = 856,205,737.20/32,967.19
  6. Step 6: Final answer
    x = 25,971.45

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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.