Home / 32,705.44-45,128.72-18,555.52

Finding the Fourth Proportional to 32,705.44, 45,128.72 and 18,555.52

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Solution

The fourth proportional to 32,705.44, 45,128.72 and 18,555.52 is: 25,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,705.44 : 45,128.72 = 18,555.52 : x
  2. Step 2: Convert to fraction form
    32,705.44/45,128.72 = 18,555.52/x
  3. Step 3: Cross multiply
    32,705.44x = 45,128.72 × 18,555.52
  4. Step 4: Simplify right side
    32,705.44x = 837,386,866.53
  5. Step 5: Solve for x
    x = 837,386,866.53/32,705.44
  6. Step 6: Final answer
    x = 25,603.90

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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.