Home / 15,434.46-21,298.44-9,061.32

Finding the Fourth Proportional to 15,434.46, 21,298.44 and 9,061.32

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Solution

The fourth proportional to 15,434.46, 21,298.44 and 9,061.32 is: 12,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.46 : 21,298.44 = 9,061.32 : x
  2. Step 2: Convert to fraction form
    15,434.46/21,298.44 = 9,061.32/x
  3. Step 3: Cross multiply
    15,434.46x = 21,298.44 × 9,061.32
  4. Step 4: Simplify right side
    15,434.46x = 192,991,980.34
  5. Step 5: Solve for x
    x = 192,991,980.34/15,434.46
  6. Step 6: Final answer
    x = 12,503.97

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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.