Home / 25,719.10-35,495.63-14,389.23

Finding the Fourth Proportional to 25,719.10, 35,495.63 and 14,389.23

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Solution

The fourth proportional to 25,719.10, 35,495.63 and 14,389.23 is: 19,858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.10 : 35,495.63 = 14,389.23 : x
  2. Step 2: Convert to fraction form
    25,719.10/35,495.63 = 14,389.23/x
  3. Step 3: Cross multiply
    25,719.10x = 35,495.63 × 14,389.23
  4. Step 4: Simplify right side
    25,719.10x = 510,754,784.06
  5. Step 5: Solve for x
    x = 510,754,784.06/25,719.10
  6. Step 6: Final answer
    x = 19,858.97

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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.