Home / 32,619.36-45,015.04-18,472.40

Finding the Fourth Proportional to 32,619.36, 45,015.04 and 18,472.40

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Solution

The fourth proportional to 32,619.36, 45,015.04 and 18,472.40 is: 25,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.36 : 45,015.04 = 18,472.40 : x
  2. Step 2: Convert to fraction form
    32,619.36/45,015.04 = 18,472.40/x
  3. Step 3: Cross multiply
    32,619.36x = 45,015.04 × 18,472.40
  4. Step 4: Simplify right side
    32,619.36x = 831,535,824.90
  5. Step 5: Solve for x
    x = 831,535,824.90/32,619.36
  6. Step 6: Final answer
    x = 25,492.10

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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.