Home / 19,259.47-26,585.72-12,087.46

Finding the Fourth Proportional to 19,259.47, 26,585.72 and 12,087.46

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Solution

The fourth proportional to 19,259.47, 26,585.72 and 12,087.46 is: 16,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.47 : 26,585.72 = 12,087.46 : x
  2. Step 2: Convert to fraction form
    19,259.47/26,585.72 = 12,087.46/x
  3. Step 3: Cross multiply
    19,259.47x = 26,585.72 × 12,087.46
  4. Step 4: Simplify right side
    19,259.47x = 321,353,845.19
  5. Step 5: Solve for x
    x = 321,353,845.19/19,259.47
  6. Step 6: Final answer
    x = 16,685.50

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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.