Home / 19,126.42-28,636.41-9,746.21

Finding the Fourth Proportional to 19,126.42, 28,636.41 and 9,746.21

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Solution

The fourth proportional to 19,126.42, 28,636.41 and 9,746.21 is: 14,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.42 : 28,636.41 = 9,746.21 : x
  2. Step 2: Convert to fraction form
    19,126.42/28,636.41 = 9,746.21/x
  3. Step 3: Cross multiply
    19,126.42x = 28,636.41 × 9,746.21
  4. Step 4: Simplify right side
    19,126.42x = 279,096,465.51
  5. Step 5: Solve for x
    x = 279,096,465.51/19,126.42
  6. Step 6: Final answer
    x = 14,592.20

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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.