Home / 19,210.42-26,500.96-12,838.58

Finding the Fourth Proportional to 19,210.42, 26,500.96 and 12,838.58

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Solution

The fourth proportional to 19,210.42, 26,500.96 and 12,838.58 is: 17,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.42 : 26,500.96 = 12,838.58 : x
  2. Step 2: Convert to fraction form
    19,210.42/26,500.96 = 12,838.58/x
  3. Step 3: Cross multiply
    19,210.42x = 26,500.96 × 12,838.58
  4. Step 4: Simplify right side
    19,210.42x = 340,234,695.04
  5. Step 5: Solve for x
    x = 340,234,695.04/19,210.42
  6. Step 6: Final answer
    x = 17,710.95

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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.