Home / 15,655.99-21,613.58-10,646.95

Finding the Fourth Proportional to 15,655.99, 21,613.58 and 10,646.95

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Solution

The fourth proportional to 15,655.99, 21,613.58 and 10,646.95 is: 14,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.99 : 21,613.58 = 10,646.95 : x
  2. Step 2: Convert to fraction form
    15,655.99/21,613.58 = 10,646.95/x
  3. Step 3: Cross multiply
    15,655.99x = 21,613.58 × 10,646.95
  4. Step 4: Simplify right side
    15,655.99x = 230,118,638.24
  5. Step 5: Solve for x
    x = 230,118,638.24/15,655.99
  6. Step 6: Final answer
    x = 14,698.44

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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.