Home / 19,137.95-26,411.28-10,640.22

Finding the Fourth Proportional to 19,137.95, 26,411.28 and 10,640.22

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Solution

The fourth proportional to 19,137.95, 26,411.28 and 10,640.22 is: 14,684.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.95 : 26,411.28 = 10,640.22 : x
  2. Step 2: Convert to fraction form
    19,137.95/26,411.28 = 10,640.22/x
  3. Step 3: Cross multiply
    19,137.95x = 26,411.28 × 10,640.22
  4. Step 4: Simplify right side
    19,137.95x = 281,021,644.42
  5. Step 5: Solve for x
    x = 281,021,644.42/19,137.95
  6. Step 6: Final answer
    x = 14,684.00

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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.