Home / 19,465.16-29,219.58-7,786.52

Finding the Fourth Proportional to 19,465.16, 29,219.58 and 7,786.52

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Solution

The fourth proportional to 19,465.16, 29,219.58 and 7,786.52 is: 11,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.16 : 29,219.58 = 7,786.52 : x
  2. Step 2: Convert to fraction form
    19,465.16/29,219.58 = 7,786.52/x
  3. Step 3: Cross multiply
    19,465.16x = 29,219.58 × 7,786.52
  4. Step 4: Simplify right side
    19,465.16x = 227,518,844.06
  5. Step 5: Solve for x
    x = 227,518,844.06/19,465.16
  6. Step 6: Final answer
    x = 11,688.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.