Home / 19,418.85-28,895.69-19,353.24

Finding the Fourth Proportional to 19,418.85, 28,895.69 and 19,353.24

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Solution

The fourth proportional to 19,418.85, 28,895.69 and 19,353.24 is: 28,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.85 : 28,895.69 = 19,353.24 : x
  2. Step 2: Convert to fraction form
    19,418.85/28,895.69 = 19,353.24/x
  3. Step 3: Cross multiply
    19,418.85x = 28,895.69 × 19,353.24
  4. Step 4: Simplify right side
    19,418.85x = 559,225,271.92
  5. Step 5: Solve for x
    x = 559,225,271.92/19,418.85
  6. Step 6: Final answer
    x = 28,798.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.