Home / 15,646.91-21,592.44-9,677.00

Finding the Fourth Proportional to 15,646.91, 21,592.44 and 9,677.00

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Solution

The fourth proportional to 15,646.91, 21,592.44 and 9,677.00 is: 13,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.91 : 21,592.44 = 9,677.00 : x
  2. Step 2: Convert to fraction form
    15,646.91/21,592.44 = 9,677.00/x
  3. Step 3: Cross multiply
    15,646.91x = 21,592.44 × 9,677.00
  4. Step 4: Simplify right side
    15,646.91x = 208,950,095.86
  5. Step 5: Solve for x
    x = 208,950,095.86/15,646.91
  6. Step 6: Final answer
    x = 13,354.08

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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.