Home / 19,168.65-26,444.95-12,090.94

Finding the Fourth Proportional to 19,168.65, 26,444.95 and 12,090.94

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Solution

The fourth proportional to 19,168.65, 26,444.95 and 12,090.94 is: 16,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.65 : 26,444.95 = 12,090.94 : x
  2. Step 2: Convert to fraction form
    19,168.65/26,444.95 = 12,090.94/x
  3. Step 3: Cross multiply
    19,168.65x = 26,444.95 × 12,090.94
  4. Step 4: Simplify right side
    19,168.65x = 319,744,207.41
  5. Step 5: Solve for x
    x = 319,744,207.41/19,168.65
  6. Step 6: Final answer
    x = 16,680.58

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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.