Home / 19,186.08-26,476.08-10,688.00

Finding the Fourth Proportional to 19,186.08, 26,476.08 and 10,688.00

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Solution

The fourth proportional to 19,186.08, 26,476.08 and 10,688.00 is: 14,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.08 : 26,476.08 = 10,688.00 : x
  2. Step 2: Convert to fraction form
    19,186.08/26,476.08 = 10,688.00/x
  3. Step 3: Cross multiply
    19,186.08x = 26,476.08 × 10,688.00
  4. Step 4: Simplify right side
    19,186.08x = 282,976,210.66
  5. Step 5: Solve for x
    x = 282,976,210.66/19,186.08
  6. Step 6: Final answer
    x = 14,749.04

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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.