Home / 19,130.10-26,399.50-10,631.95

Finding the Fourth Proportional to 19,130.10, 26,399.50 and 10,631.95

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Solution

The fourth proportional to 19,130.10, 26,399.50 and 10,631.95 is: 14,672.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.10 : 26,399.50 = 10,631.95 : x
  2. Step 2: Convert to fraction form
    19,130.10/26,399.50 = 10,631.95/x
  3. Step 3: Cross multiply
    19,130.10x = 26,399.50 × 10,631.95
  4. Step 4: Simplify right side
    19,130.10x = 280,678,164.03
  5. Step 5: Solve for x
    x = 280,678,164.03/19,130.10
  6. Step 6: Final answer
    x = 14,672.07

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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.