Home / 19,005.60-26,226.32-10,621.60

Finding the Fourth Proportional to 19,005.60, 26,226.32 and 10,621.60

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Solution

The fourth proportional to 19,005.60, 26,226.32 and 10,621.60 is: 14,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.60 : 26,226.32 = 10,621.60 : x
  2. Step 2: Convert to fraction form
    19,005.60/26,226.32 = 10,621.60/x
  3. Step 3: Cross multiply
    19,005.60x = 26,226.32 × 10,621.60
  4. Step 4: Simplify right side
    19,005.60x = 278,565,480.51
  5. Step 5: Solve for x
    x = 278,565,480.51/19,005.60
  6. Step 6: Final answer
    x = 14,657.02

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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.