Home / 32,810.04-45,278.72-18,470.40

Finding the Fourth Proportional to 32,810.04, 45,278.72 and 18,470.40

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Solution

The fourth proportional to 32,810.04, 45,278.72 and 18,470.40 is: 25,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,810.04 : 45,278.72 = 18,470.40 : x
  2. Step 2: Convert to fraction form
    32,810.04/45,278.72 = 18,470.40/x
  3. Step 3: Cross multiply
    32,810.04x = 45,278.72 × 18,470.40
  4. Step 4: Simplify right side
    32,810.04x = 836,315,977.54
  5. Step 5: Solve for x
    x = 836,315,977.54/32,810.04
  6. Step 6: Final answer
    x = 25,489.64

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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.