Home / 19,209.09-26,510.30-11,657.34

Finding the Fourth Proportional to 19,209.09, 26,510.30 and 11,657.34

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Solution

The fourth proportional to 19,209.09, 26,510.30 and 11,657.34 is: 16,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.09 : 26,510.30 = 11,657.34 : x
  2. Step 2: Convert to fraction form
    19,209.09/26,510.30 = 11,657.34/x
  3. Step 3: Cross multiply
    19,209.09x = 26,510.30 × 11,657.34
  4. Step 4: Simplify right side
    19,209.09x = 309,039,522.32
  5. Step 5: Solve for x
    x = 309,039,522.32/19,209.09
  6. Step 6: Final answer
    x = 16,088.19

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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.