Home / 32,787.52-45,246.88-18,637.12

Finding the Fourth Proportional to 32,787.52, 45,246.88 and 18,637.12

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Solution

The fourth proportional to 32,787.52, 45,246.88 and 18,637.12 is: 25,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,787.52 : 45,246.88 = 18,637.12 : x
  2. Step 2: Convert to fraction form
    32,787.52/45,246.88 = 18,637.12/x
  3. Step 3: Cross multiply
    32,787.52x = 45,246.88 × 18,637.12
  4. Step 4: Simplify right side
    32,787.52x = 843,271,532.19
  5. Step 5: Solve for x
    x = 843,271,532.19/32,787.52
  6. Step 6: Final answer
    x = 25,719.28

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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.