Home / 32,612.60-45,005.28-18,465.68

Finding the Fourth Proportional to 32,612.60, 45,005.28 and 18,465.68

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Solution

The fourth proportional to 32,612.60, 45,005.28 and 18,465.68 is: 25,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,612.60 : 45,005.28 = 18,465.68 : x
  2. Step 2: Convert to fraction form
    32,612.60/45,005.28 = 18,465.68/x
  3. Step 3: Cross multiply
    32,612.60x = 45,005.28 × 18,465.68
  4. Step 4: Simplify right side
    32,612.60x = 831,053,098.79
  5. Step 5: Solve for x
    x = 831,053,098.79/32,612.60
  6. Step 6: Final answer
    x = 25,482.58

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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.