Home / 21,476.23-32,206.63-7,432.45

Finding the Fourth Proportional to 21,476.23, 32,206.63 and 7,432.45

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Solution

The fourth proportional to 21,476.23, 32,206.63 and 7,432.45 is: 11,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.23 : 32,206.63 = 7,432.45 : x
  2. Step 2: Convert to fraction form
    21,476.23/32,206.63 = 7,432.45/x
  3. Step 3: Cross multiply
    21,476.23x = 32,206.63 × 7,432.45
  4. Step 4: Simplify right side
    21,476.23x = 239,374,068.05
  5. Step 5: Solve for x
    x = 239,374,068.05/21,476.23
  6. Step 6: Final answer
    x = 11,146.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.