Home / 19,322.99-28,931.79-14,628.80

Finding the Fourth Proportional to 19,322.99, 28,931.79 and 14,628.80

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Solution

The fourth proportional to 19,322.99, 28,931.79 and 14,628.80 is: 21,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.99 : 28,931.79 = 14,628.80 : x
  2. Step 2: Convert to fraction form
    19,322.99/28,931.79 = 14,628.80/x
  3. Step 3: Cross multiply
    19,322.99x = 28,931.79 × 14,628.80
  4. Step 4: Simplify right side
    19,322.99x = 423,237,369.55
  5. Step 5: Solve for x
    x = 423,237,369.55/19,322.99
  6. Step 6: Final answer
    x = 21,903.31

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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.