Home / 15,536.34-21,440.07-8,463.06

Finding the Fourth Proportional to 15,536.34, 21,440.07 and 8,463.06

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Solution

The fourth proportional to 15,536.34, 21,440.07 and 8,463.06 is: 11,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.34 : 21,440.07 = 8,463.06 : x
  2. Step 2: Convert to fraction form
    15,536.34/21,440.07 = 8,463.06/x
  3. Step 3: Cross multiply
    15,536.34x = 21,440.07 × 8,463.06
  4. Step 4: Simplify right side
    15,536.34x = 181,448,598.81
  5. Step 5: Solve for x
    x = 181,448,598.81/15,536.34
  6. Step 6: Final answer
    x = 11,678.98

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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.