Home / 19,155.69-26,434.44-10,657.64

Finding the Fourth Proportional to 19,155.69, 26,434.44 and 10,657.64

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Solution

The fourth proportional to 19,155.69, 26,434.44 and 10,657.64 is: 14,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.69 : 26,434.44 = 10,657.64 : x
  2. Step 2: Convert to fraction form
    19,155.69/26,434.44 = 10,657.64/x
  3. Step 3: Cross multiply
    19,155.69x = 26,434.44 × 10,657.64
  4. Step 4: Simplify right side
    19,155.69x = 281,728,811.21
  5. Step 5: Solve for x
    x = 281,728,811.21/19,155.69
  6. Step 6: Final answer
    x = 14,707.32

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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.