Home / 19,113.78-28,646.37-10,356.06

Finding the Fourth Proportional to 19,113.78, 28,646.37 and 10,356.06

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Solution

The fourth proportional to 19,113.78, 28,646.37 and 10,356.06 is: 15,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.78 : 28,646.37 = 10,356.06 : x
  2. Step 2: Convert to fraction form
    19,113.78/28,646.37 = 10,356.06/x
  3. Step 3: Cross multiply
    19,113.78x = 28,646.37 × 10,356.06
  4. Step 4: Simplify right side
    19,113.78x = 296,663,526.50
  5. Step 5: Solve for x
    x = 296,663,526.50/19,113.78
  6. Step 6: Final answer
    x = 15,520.92

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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.