Home / 32,856.16-45,330.08-18,705.36

Finding the Fourth Proportional to 32,856.16, 45,330.08 and 18,705.36

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Solution

The fourth proportional to 32,856.16, 45,330.08 and 18,705.36 is: 25,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,856.16 : 45,330.08 = 18,705.36 : x
  2. Step 2: Convert to fraction form
    32,856.16/45,330.08 = 18,705.36/x
  3. Step 3: Cross multiply
    32,856.16x = 45,330.08 × 18,705.36
  4. Step 4: Simplify right side
    32,856.16x = 847,915,465.23
  5. Step 5: Solve for x
    x = 847,915,465.23/32,856.16
  6. Step 6: Final answer
    x = 25,806.89

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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.