Home / 18,158.34-25,058.70-10,200.72

Finding the Fourth Proportional to 18,158.34, 25,058.70 and 10,200.72

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Solution

The fourth proportional to 18,158.34, 25,058.70 and 10,200.72 is: 14,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.34 : 25,058.70 = 10,200.72 : x
  2. Step 2: Convert to fraction form
    18,158.34/25,058.70 = 10,200.72/x
  3. Step 3: Cross multiply
    18,158.34x = 25,058.70 × 10,200.72
  4. Step 4: Simplify right side
    18,158.34x = 255,616,782.26
  5. Step 5: Solve for x
    x = 255,616,782.26/18,158.34
  6. Step 6: Final answer
    x = 14,077.10

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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.