Home / 16,260.48-22,428-9,976.32

Finding the Fourth Proportional to 16,260.48, 22,428 and 9,976.32

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Solution

The fourth proportional to 16,260.48, 22,428 and 9,976.32 is: 13,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,260.48 : 22,428 = 9,976.32 : x
  2. Step 2: Convert to fraction form
    16,260.48/22,428 = 9,976.32/x
  3. Step 3: Cross multiply
    16,260.48x = 22,428 × 9,976.32
  4. Step 4: Simplify right side
    16,260.48x = 223,748,904.96
  5. Step 5: Solve for x
    x = 223,748,904.96/16,260.48
  6. Step 6: Final answer
    x = 13,760.29

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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.