Home / 18,903.45-26,089.25-10,840.26

Finding the Fourth Proportional to 18,903.45, 26,089.25 and 10,840.26

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Solution

The fourth proportional to 18,903.45, 26,089.25 and 10,840.26 is: 14,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.45 : 26,089.25 = 10,840.26 : x
  2. Step 2: Convert to fraction form
    18,903.45/26,089.25 = 10,840.26/x
  3. Step 3: Cross multiply
    18,903.45x = 26,089.25 × 10,840.26
  4. Step 4: Simplify right side
    18,903.45x = 282,814,199.00
  5. Step 5: Solve for x
    x = 282,814,199.00/18,903.45
  6. Step 6: Final answer
    x = 14,960.98

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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.