Home / 32,637.67-45,038.22-18,490.21

Finding the Fourth Proportional to 32,637.67, 45,038.22 and 18,490.21

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Solution

The fourth proportional to 32,637.67, 45,038.22 and 18,490.21 is: 25,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,637.67 : 45,038.22 = 18,490.21 : x
  2. Step 2: Convert to fraction form
    32,637.67/45,038.22 = 18,490.21/x
  3. Step 3: Cross multiply
    32,637.67x = 45,038.22 × 18,490.21
  4. Step 4: Simplify right side
    32,637.67x = 832,766,145.83
  5. Step 5: Solve for x
    x = 832,766,145.83/32,637.67
  6. Step 6: Final answer
    x = 25,515.49

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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.