Home / 19,210.07-26,510.10-10,826.57

Finding the Fourth Proportional to 19,210.07, 26,510.10 and 10,826.57

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Solution

The fourth proportional to 19,210.07, 26,510.10 and 10,826.57 is: 14,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.07 : 26,510.10 = 10,826.57 : x
  2. Step 2: Convert to fraction form
    19,210.07/26,510.10 = 10,826.57/x
  3. Step 3: Cross multiply
    19,210.07x = 26,510.10 × 10,826.57
  4. Step 4: Simplify right side
    19,210.07x = 287,013,266.67
  5. Step 5: Solve for x
    x = 287,013,266.67/19,210.07
  6. Step 6: Final answer
    x = 14,940.78

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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.