Home / 19,159.55-26,439.50-10,661.39

Finding the Fourth Proportional to 19,159.55, 26,439.50 and 10,661.39

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Solution

The fourth proportional to 19,159.55, 26,439.50 and 10,661.39 is: 14,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.55 : 26,439.50 = 10,661.39 : x
  2. Step 2: Convert to fraction form
    19,159.55/26,439.50 = 10,661.39/x
  3. Step 3: Cross multiply
    19,159.55x = 26,439.50 × 10,661.39
  4. Step 4: Simplify right side
    19,159.55x = 281,881,820.91
  5. Step 5: Solve for x
    x = 281,881,820.91/19,159.55
  6. Step 6: Final answer
    x = 14,712.34

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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.