Home / 19,337.92-26,686.32-10,840.12

Finding the Fourth Proportional to 19,337.92, 26,686.32 and 10,840.12

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Solution

The fourth proportional to 19,337.92, 26,686.32 and 10,840.12 is: 14,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.92 : 26,686.32 = 10,840.12 : x
  2. Step 2: Convert to fraction form
    19,337.92/26,686.32 = 10,840.12/x
  3. Step 3: Cross multiply
    19,337.92x = 26,686.32 × 10,840.12
  4. Step 4: Simplify right side
    19,337.92x = 289,282,911.16
  5. Step 5: Solve for x
    x = 289,282,911.16/19,337.92
  6. Step 6: Final answer
    x = 14,959.36

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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.