Home / 19,056.08-26,299.33-10,990.05

Finding the Fourth Proportional to 19,056.08, 26,299.33 and 10,990.05

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Solution

The fourth proportional to 19,056.08, 26,299.33 and 10,990.05 is: 15,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056.08 : 26,299.33 = 10,990.05 : x
  2. Step 2: Convert to fraction form
    19,056.08/26,299.33 = 10,990.05/x
  3. Step 3: Cross multiply
    19,056.08x = 26,299.33 × 10,990.05
  4. Step 4: Simplify right side
    19,056.08x = 289,030,887.39
  5. Step 5: Solve for x
    x = 289,030,887.39/19,056.08
  6. Step 6: Final answer
    x = 15,167.39

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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.