Home / 25,767.60-38,645.64-11,903.28

Finding the Fourth Proportional to 25,767.60, 38,645.64 and 11,903.28

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Solution

The fourth proportional to 25,767.60, 38,645.64 and 11,903.28 is: 17,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767.60 : 38,645.64 = 11,903.28 : x
  2. Step 2: Convert to fraction form
    25,767.60/38,645.64 = 11,903.28/x
  3. Step 3: Cross multiply
    25,767.60x = 38,645.64 × 11,903.28
  4. Step 4: Simplify right side
    25,767.60x = 460,009,873.70
  5. Step 5: Solve for x
    x = 460,009,873.70/25,767.60
  6. Step 6: Final answer
    x = 17,852.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.