Home / 19,045.98-28,580.76-9,186.24

Finding the Fourth Proportional to 19,045.98, 28,580.76 and 9,186.24

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Solution

The fourth proportional to 19,045.98, 28,580.76 and 9,186.24 is: 13,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.98 : 28,580.76 = 9,186.24 : x
  2. Step 2: Convert to fraction form
    19,045.98/28,580.76 = 9,186.24/x
  3. Step 3: Cross multiply
    19,045.98x = 28,580.76 × 9,186.24
  4. Step 4: Simplify right side
    19,045.98x = 262,549,720.74
  5. Step 5: Solve for x
    x = 262,549,720.74/19,045.98
  6. Step 6: Final answer
    x = 13,785.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.