Home / 19,300.32-26,650.80-12,239.28

Finding the Fourth Proportional to 19,300.32, 26,650.80 and 12,239.28

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Solution

The fourth proportional to 19,300.32, 26,650.80 and 12,239.28 is: 16,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.32 : 26,650.80 = 12,239.28 : x
  2. Step 2: Convert to fraction form
    19,300.32/26,650.80 = 12,239.28/x
  3. Step 3: Cross multiply
    19,300.32x = 26,650.80 × 12,239.28
  4. Step 4: Simplify right side
    19,300.32x = 326,186,603.42
  5. Step 5: Solve for x
    x = 326,186,603.42/19,300.32
  6. Step 6: Final answer
    x = 16,900.58

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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.