Home / 19,369.95-26,730.51-10,986.45

Finding the Fourth Proportional to 19,369.95, 26,730.51 and 10,986.45

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Solution

The fourth proportional to 19,369.95, 26,730.51 and 10,986.45 is: 15,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.95 : 26,730.51 = 10,986.45 : x
  2. Step 2: Convert to fraction form
    19,369.95/26,730.51 = 10,986.45/x
  3. Step 3: Cross multiply
    19,369.95x = 26,730.51 × 10,986.45
  4. Step 4: Simplify right side
    19,369.95x = 293,673,411.59
  5. Step 5: Solve for x
    x = 293,673,411.59/19,369.95
  6. Step 6: Final answer
    x = 15,161.29

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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.