Home / 19,095.60-26,344.16-13,778.72

Finding the Fourth Proportional to 19,095.60, 26,344.16 and 13,778.72

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Solution

The fourth proportional to 19,095.60, 26,344.16 and 13,778.72 is: 19,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.60 : 26,344.16 = 13,778.72 : x
  2. Step 2: Convert to fraction form
    19,095.60/26,344.16 = 13,778.72/x
  3. Step 3: Cross multiply
    19,095.60x = 26,344.16 × 13,778.72
  4. Step 4: Simplify right side
    19,095.60x = 362,988,804.28
  5. Step 5: Solve for x
    x = 362,988,804.28/19,095.60
  6. Step 6: Final answer
    x = 19,009.03

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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.