Home / 32,146.23-44,368.86-18,720.15

Finding the Fourth Proportional to 32,146.23, 44,368.86 and 18,720.15

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Solution

The fourth proportional to 32,146.23, 44,368.86 and 18,720.15 is: 25,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,146.23 : 44,368.86 = 18,720.15 : x
  2. Step 2: Convert to fraction form
    32,146.23/44,368.86 = 18,720.15/x
  3. Step 3: Cross multiply
    32,146.23x = 44,368.86 × 18,720.15
  4. Step 4: Simplify right side
    32,146.23x = 830,591,714.53
  5. Step 5: Solve for x
    x = 830,591,714.53/32,146.23
  6. Step 6: Final answer
    x = 25,837.92

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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.