Home / 32,909.64-45,415.50-18,762.36

Finding the Fourth Proportional to 32,909.64, 45,415.50 and 18,762.36

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Solution

The fourth proportional to 32,909.64, 45,415.50 and 18,762.36 is: 25,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,909.64 : 45,415.50 = 18,762.36 : x
  2. Step 2: Convert to fraction form
    32,909.64/45,415.50 = 18,762.36/x
  3. Step 3: Cross multiply
    32,909.64x = 45,415.50 × 18,762.36
  4. Step 4: Simplify right side
    32,909.64x = 852,101,960.58
  5. Step 5: Solve for x
    x = 852,101,960.58/32,909.64
  6. Step 6: Final answer
    x = 25,892.17

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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.