Home / 13,465.50-18,582.75-7,497.42

Finding the Fourth Proportional to 13,465.50, 18,582.75 and 7,497.42

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Solution

The fourth proportional to 13,465.50, 18,582.75 and 7,497.42 is: 10,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.50 : 18,582.75 = 7,497.42 : x
  2. Step 2: Convert to fraction form
    13,465.50/18,582.75 = 7,497.42/x
  3. Step 3: Cross multiply
    13,465.50x = 18,582.75 × 7,497.42
  4. Step 4: Simplify right side
    13,465.50x = 139,322,681.51
  5. Step 5: Solve for x
    x = 139,322,681.51/13,465.50
  6. Step 6: Final answer
    x = 10,346.64

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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.