Home / 14,356.65-21,526.16-5,581.34

Finding the Fourth Proportional to 14,356.65, 21,526.16 and 5,581.34

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Solution

The fourth proportional to 14,356.65, 21,526.16 and 5,581.34 is: 8,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.65 : 21,526.16 = 5,581.34 : x
  2. Step 2: Convert to fraction form
    14,356.65/21,526.16 = 5,581.34/x
  3. Step 3: Cross multiply
    14,356.65x = 21,526.16 × 5,581.34
  4. Step 4: Simplify right side
    14,356.65x = 120,144,682.32
  5. Step 5: Solve for x
    x = 120,144,682.32/14,356.65
  6. Step 6: Final answer
    x = 8,368.57

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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.