Home / 17,742.08-24,482.10-9,782.75

Finding the Fourth Proportional to 17,742.08, 24,482.10 and 9,782.75

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Solution

The fourth proportional to 17,742.08, 24,482.10 and 9,782.75 is: 13,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.08 : 24,482.10 = 9,782.75 : x
  2. Step 2: Convert to fraction form
    17,742.08/24,482.10 = 9,782.75/x
  3. Step 3: Cross multiply
    17,742.08x = 24,482.10 × 9,782.75
  4. Step 4: Simplify right side
    17,742.08x = 239,502,263.78
  5. Step 5: Solve for x
    x = 239,502,263.78/17,742.08
  6. Step 6: Final answer
    x = 13,499.11

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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.