Home / 21,056.77-29,023.72-14,926.53

Finding the Fourth Proportional to 21,056.77, 29,023.72 and 14,926.53

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Solution

The fourth proportional to 21,056.77, 29,023.72 and 14,926.53 is: 20,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.77 : 29,023.72 = 14,926.53 : x
  2. Step 2: Convert to fraction form
    21,056.77/29,023.72 = 14,926.53/x
  3. Step 3: Cross multiply
    21,056.77x = 29,023.72 × 14,926.53
  4. Step 4: Simplify right side
    21,056.77x = 433,223,427.29
  5. Step 5: Solve for x
    x = 433,223,427.29/21,056.77
  6. Step 6: Final answer
    x = 20,574.07

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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.