Home / 19,331.16-26,679.10-10,834.64

Finding the Fourth Proportional to 19,331.16, 26,679.10 and 10,834.64

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Solution

The fourth proportional to 19,331.16, 26,679.10 and 10,834.64 is: 14,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.16 : 26,679.10 = 10,834.64 : x
  2. Step 2: Convert to fraction form
    19,331.16/26,679.10 = 10,834.64/x
  3. Step 3: Cross multiply
    19,331.16x = 26,679.10 × 10,834.64
  4. Step 4: Simplify right side
    19,331.16x = 289,058,444.02
  5. Step 5: Solve for x
    x = 289,058,444.02/19,331.16
  6. Step 6: Final answer
    x = 14,952.98

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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.