Home / 32,709.83-45,135.63-18,370.40

Finding the Fourth Proportional to 32,709.83, 45,135.63 and 18,370.40

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Solution

The fourth proportional to 32,709.83, 45,135.63 and 18,370.40 is: 25,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,709.83 : 45,135.63 = 18,370.40 : x
  2. Step 2: Convert to fraction form
    32,709.83/45,135.63 = 18,370.40/x
  3. Step 3: Cross multiply
    32,709.83x = 45,135.63 × 18,370.40
  4. Step 4: Simplify right side
    32,709.83x = 829,159,351.67
  5. Step 5: Solve for x
    x = 829,159,351.67/32,709.83
  6. Step 6: Final answer
    x = 25,348.94

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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.