Home / 19,210.32-26,510.16-10,826.72

Finding the Fourth Proportional to 19,210.32, 26,510.16 and 10,826.72

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Solution

The fourth proportional to 19,210.32, 26,510.16 and 10,826.72 is: 14,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.32 : 26,510.16 = 10,826.72 : x
  2. Step 2: Convert to fraction form
    19,210.32/26,510.16 = 10,826.72/x
  3. Step 3: Cross multiply
    19,210.32x = 26,510.16 × 10,826.72
  4. Step 4: Simplify right side
    19,210.32x = 287,018,079.48
  5. Step 5: Solve for x
    x = 287,018,079.48/19,210.32
  6. Step 6: Final answer
    x = 14,940.83

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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.