Home / 15,497.31-21,225.53-14,588.11

Finding the Fourth Proportional to 15,497.31, 21,225.53 and 14,588.11

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Solution

The fourth proportional to 15,497.31, 21,225.53 and 14,588.11 is: 19,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497.31 : 21,225.53 = 14,588.11 : x
  2. Step 2: Convert to fraction form
    15,497.31/21,225.53 = 14,588.11/x
  3. Step 3: Cross multiply
    15,497.31x = 21,225.53 × 14,588.11
  4. Step 4: Simplify right side
    15,497.31x = 309,640,366.45
  5. Step 5: Solve for x
    x = 309,640,366.45/15,497.31
  6. Step 6: Final answer
    x = 19,980.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.