Home / 19,210.48-28,815.18-10,462.48

Finding the Fourth Proportional to 19,210.48, 28,815.18 and 10,462.48

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Solution

The fourth proportional to 19,210.48, 28,815.18 and 10,462.48 is: 15,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.48 : 28,815.18 = 10,462.48 : x
  2. Step 2: Convert to fraction form
    19,210.48/28,815.18 = 10,462.48/x
  3. Step 3: Cross multiply
    19,210.48x = 28,815.18 × 10,462.48
  4. Step 4: Simplify right side
    19,210.48x = 301,478,244.45
  5. Step 5: Solve for x
    x = 301,478,244.45/19,210.48
  6. Step 6: Final answer
    x = 15,693.43

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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.