Home / 12,366.36-18,561.69-9,070.07

Finding the Fourth Proportional to 12,366.36, 18,561.69 and 9,070.07

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Solution

The fourth proportional to 12,366.36, 18,561.69 and 9,070.07 is: 13,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.36 : 18,561.69 = 9,070.07 : x
  2. Step 2: Convert to fraction form
    12,366.36/18,561.69 = 9,070.07/x
  3. Step 3: Cross multiply
    12,366.36x = 18,561.69 × 9,070.07
  4. Step 4: Simplify right side
    12,366.36x = 168,355,734.81
  5. Step 5: Solve for x
    x = 168,355,734.81/12,366.36
  6. Step 6: Final answer
    x = 13,614.01

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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.