Home / 15,525.48-21,418.24-10,488.08

Finding the Fourth Proportional to 15,525.48, 21,418.24 and 10,488.08

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Solution

The fourth proportional to 15,525.48, 21,418.24 and 10,488.08 is: 14,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.48 : 21,418.24 = 10,488.08 : x
  2. Step 2: Convert to fraction form
    15,525.48/21,418.24 = 10,488.08/x
  3. Step 3: Cross multiply
    15,525.48x = 21,418.24 × 10,488.08
  4. Step 4: Simplify right side
    15,525.48x = 224,636,214.58
  5. Step 5: Solve for x
    x = 224,636,214.58/15,525.48
  6. Step 6: Final answer
    x = 14,468.87

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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.