Home / 26,389.61-36,416.95-15,058.90

Finding the Fourth Proportional to 26,389.61, 36,416.95 and 15,058.90

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Solution

The fourth proportional to 26,389.61, 36,416.95 and 15,058.90 is: 20,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.61 : 36,416.95 = 15,058.90 : x
  2. Step 2: Convert to fraction form
    26,389.61/36,416.95 = 15,058.90/x
  3. Step 3: Cross multiply
    26,389.61x = 36,416.95 × 15,058.90
  4. Step 4: Simplify right side
    26,389.61x = 548,399,216.23
  5. Step 5: Solve for x
    x = 548,399,216.23/26,389.61
  6. Step 6: Final answer
    x = 20,780.88

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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.