Home / 14,316.64-19,756.29-7,943.16

Finding the Fourth Proportional to 14,316.64, 19,756.29 and 7,943.16

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Solution

The fourth proportional to 14,316.64, 19,756.29 and 7,943.16 is: 10,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.64 : 19,756.29 = 7,943.16 : x
  2. Step 2: Convert to fraction form
    14,316.64/19,756.29 = 7,943.16/x
  3. Step 3: Cross multiply
    14,316.64x = 19,756.29 × 7,943.16
  4. Step 4: Simplify right side
    14,316.64x = 156,927,233.98
  5. Step 5: Solve for x
    x = 156,927,233.98/14,316.64
  6. Step 6: Final answer
    x = 10,961.18

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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.