Home / 14,265.48-19,688.22-7,979.16

Finding the Fourth Proportional to 14,265.48, 19,688.22 and 7,979.16

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Solution

The fourth proportional to 14,265.48, 19,688.22 and 7,979.16 is: 11,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.48 : 19,688.22 = 7,979.16 : x
  2. Step 2: Convert to fraction form
    14,265.48/19,688.22 = 7,979.16/x
  3. Step 3: Cross multiply
    14,265.48x = 19,688.22 × 7,979.16
  4. Step 4: Simplify right side
    14,265.48x = 157,095,457.50
  5. Step 5: Solve for x
    x = 157,095,457.50/14,265.48
  6. Step 6: Final answer
    x = 11,012.28

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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.