Home / 19,189.40-26,457.48-16,007.31

Finding the Fourth Proportional to 19,189.40, 26,457.48 and 16,007.31

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Solution

The fourth proportional to 19,189.40, 26,457.48 and 16,007.31 is: 22,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.40 : 26,457.48 = 16,007.31 : x
  2. Step 2: Convert to fraction form
    19,189.40/26,457.48 = 16,007.31/x
  3. Step 3: Cross multiply
    19,189.40x = 26,457.48 × 16,007.31
  4. Step 4: Simplify right side
    19,189.40x = 423,513,084.18
  5. Step 5: Solve for x
    x = 423,513,084.18/19,189.40
  6. Step 6: Final answer
    x = 22,070.16

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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.