Home / 18,866.21-26,034.11-10,368.15

Finding the Fourth Proportional to 18,866.21, 26,034.11 and 10,368.15

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Solution

The fourth proportional to 18,866.21, 26,034.11 and 10,368.15 is: 14,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.21 : 26,034.11 = 10,368.15 : x
  2. Step 2: Convert to fraction form
    18,866.21/26,034.11 = 10,368.15/x
  3. Step 3: Cross multiply
    18,866.21x = 26,034.11 × 10,368.15
  4. Step 4: Simplify right side
    18,866.21x = 269,925,583.52
  5. Step 5: Solve for x
    x = 269,925,583.52/18,866.21
  6. Step 6: Final answer
    x = 14,307.35

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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.