Home / 19,210.32-26,510.76-10,828.80

Finding the Fourth Proportional to 19,210.32, 26,510.76 and 10,828.80

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Solution

The fourth proportional to 19,210.32, 26,510.76 and 10,828.80 is: 14,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.32 : 26,510.76 = 10,828.80 : x
  2. Step 2: Convert to fraction form
    19,210.32/26,510.76 = 10,828.80/x
  3. Step 3: Cross multiply
    19,210.32x = 26,510.76 × 10,828.80
  4. Step 4: Simplify right side
    19,210.32x = 287,079,717.89
  5. Step 5: Solve for x
    x = 287,079,717.89/19,210.32
  6. Step 6: Final answer
    x = 14,944.04

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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.