Home / 19,182.68-26,472.88-10,685.28

Finding the Fourth Proportional to 19,182.68, 26,472.88 and 10,685.28

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Solution

The fourth proportional to 19,182.68, 26,472.88 and 10,685.28 is: 14,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.68 : 26,472.88 = 10,685.28 : x
  2. Step 2: Convert to fraction form
    19,182.68/26,472.88 = 10,685.28/x
  3. Step 3: Cross multiply
    19,182.68x = 26,472.88 × 10,685.28
  4. Step 4: Simplify right side
    19,182.68x = 282,870,135.21
  5. Step 5: Solve for x
    x = 282,870,135.21/19,182.68
  6. Step 6: Final answer
    x = 14,746.12

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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.