Home / 32,920.64-45,430.68-18,773.36

Finding the Fourth Proportional to 32,920.64, 45,430.68 and 18,773.36

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Solution

The fourth proportional to 32,920.64, 45,430.68 and 18,773.36 is: 25,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.64 : 45,430.68 = 18,773.36 : x
  2. Step 2: Convert to fraction form
    32,920.64/45,430.68 = 18,773.36/x
  3. Step 3: Cross multiply
    32,920.64x = 45,430.68 × 18,773.36
  4. Step 4: Simplify right side
    32,920.64x = 852,886,510.68
  5. Step 5: Solve for x
    x = 852,886,510.68/32,920.64
  6. Step 6: Final answer
    x = 25,907.35

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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.