Home / 15,602.23-21,529.45-8,886.45

Finding the Fourth Proportional to 15,602.23, 21,529.45 and 8,886.45

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Solution

The fourth proportional to 15,602.23, 21,529.45 and 8,886.45 is: 12,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.23 : 21,529.45 = 8,886.45 : x
  2. Step 2: Convert to fraction form
    15,602.23/21,529.45 = 8,886.45/x
  3. Step 3: Cross multiply
    15,602.23x = 21,529.45 × 8,886.45
  4. Step 4: Simplify right side
    15,602.23x = 191,320,358.74
  5. Step 5: Solve for x
    x = 191,320,358.74/15,602.23
  6. Step 6: Final answer
    x = 12,262.37

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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.