Home / 13,071.48-18,058.92-12,973.08

Finding the Fourth Proportional to 13,071.48, 18,058.92 and 12,973.08

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Solution

The fourth proportional to 13,071.48, 18,058.92 and 12,973.08 is: 17,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.48 : 18,058.92 = 12,973.08 : x
  2. Step 2: Convert to fraction form
    13,071.48/18,058.92 = 12,973.08/x
  3. Step 3: Cross multiply
    13,071.48x = 18,058.92 × 12,973.08
  4. Step 4: Simplify right side
    13,071.48x = 234,279,813.87
  5. Step 5: Solve for x
    x = 234,279,813.87/13,071.48
  6. Step 6: Final answer
    x = 17,922.98

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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.