Home / 14,901.57-20,556.59-11,358.63

Finding the Fourth Proportional to 14,901.57, 20,556.59 and 11,358.63

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Solution

The fourth proportional to 14,901.57, 20,556.59 and 11,358.63 is: 15,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.57 : 20,556.59 = 11,358.63 : x
  2. Step 2: Convert to fraction form
    14,901.57/20,556.59 = 11,358.63/x
  3. Step 3: Cross multiply
    14,901.57x = 20,556.59 × 11,358.63
  4. Step 4: Simplify right side
    14,901.57x = 233,494,643.08
  5. Step 5: Solve for x
    x = 233,494,643.08/14,901.57
  6. Step 6: Final answer
    x = 15,669.13

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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.