Home / 19,411.51-26,760.76-16,415.32

Finding the Fourth Proportional to 19,411.51, 26,760.76 and 16,415.32

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Solution

The fourth proportional to 19,411.51, 26,760.76 and 16,415.32 is: 22,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.51 : 26,760.76 = 16,415.32 : x
  2. Step 2: Convert to fraction form
    19,411.51/26,760.76 = 16,415.32/x
  3. Step 3: Cross multiply
    19,411.51x = 26,760.76 × 16,415.32
  4. Step 4: Simplify right side
    19,411.51x = 439,286,438.84
  5. Step 5: Solve for x
    x = 439,286,438.84/19,411.51
  6. Step 6: Final answer
    x = 22,630.20

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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.