Home / 15,434.19-21,296.37-9,061.05

Finding the Fourth Proportional to 15,434.19, 21,296.37 and 9,061.05

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Solution

The fourth proportional to 15,434.19, 21,296.37 and 9,061.05 is: 12,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.19 : 21,296.37 = 9,061.05 : x
  2. Step 2: Convert to fraction form
    15,434.19/21,296.37 = 9,061.05/x
  3. Step 3: Cross multiply
    15,434.19x = 21,296.37 × 9,061.05
  4. Step 4: Simplify right side
    15,434.19x = 192,967,473.39
  5. Step 5: Solve for x
    x = 192,967,473.39/15,434.19
  6. Step 6: Final answer
    x = 12,502.60

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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.