Home / 32,905.02-45,397.12-18,749.67

Finding the Fourth Proportional to 32,905.02, 45,397.12 and 18,749.67

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Solution

The fourth proportional to 32,905.02, 45,397.12 and 18,749.67 is: 25,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.02 : 45,397.12 = 18,749.67 : x
  2. Step 2: Convert to fraction form
    32,905.02/45,397.12 = 18,749.67/x
  3. Step 3: Cross multiply
    32,905.02x = 45,397.12 × 18,749.67
  4. Step 4: Simplify right side
    32,905.02x = 851,181,018.95
  5. Step 5: Solve for x
    x = 851,181,018.95/32,905.02
  6. Step 6: Final answer
    x = 25,867.82

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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.