Home / 32,688.93-45,109.40-18,541.47

Finding the Fourth Proportional to 32,688.93, 45,109.40 and 18,541.47

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Solution

The fourth proportional to 32,688.93, 45,109.40 and 18,541.47 is: 25,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,688.93 : 45,109.40 = 18,541.47 : x
  2. Step 2: Convert to fraction form
    32,688.93/45,109.40 = 18,541.47/x
  3. Step 3: Cross multiply
    32,688.93x = 45,109.40 × 18,541.47
  4. Step 4: Simplify right side
    32,688.93x = 836,394,494.11
  5. Step 5: Solve for x
    x = 836,394,494.11/32,688.93
  6. Step 6: Final answer
    x = 25,586.48

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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.