Home / 13,859.51-19,077.93-12,088.04

Finding the Fourth Proportional to 13,859.51, 19,077.93 and 12,088.04

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Solution

The fourth proportional to 13,859.51, 19,077.93 and 12,088.04 is: 16,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.51 : 19,077.93 = 12,088.04 : x
  2. Step 2: Convert to fraction form
    13,859.51/19,077.93 = 12,088.04/x
  3. Step 3: Cross multiply
    13,859.51x = 19,077.93 × 12,088.04
  4. Step 4: Simplify right side
    13,859.51x = 230,614,685.57
  5. Step 5: Solve for x
    x = 230,614,685.57/13,859.51
  6. Step 6: Final answer
    x = 16,639.46

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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.