Home / 18,749.76-25,875.36-10,366.08

Finding the Fourth Proportional to 18,749.76, 25,875.36 and 10,366.08

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Solution

The fourth proportional to 18,749.76, 25,875.36 and 10,366.08 is: 14,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.76 : 25,875.36 = 10,366.08 : x
  2. Step 2: Convert to fraction form
    18,749.76/25,875.36 = 10,366.08/x
  3. Step 3: Cross multiply
    18,749.76x = 25,875.36 × 10,366.08
  4. Step 4: Simplify right side
    18,749.76x = 268,226,051.79
  5. Step 5: Solve for x
    x = 268,226,051.79/18,749.76
  6. Step 6: Final answer
    x = 14,305.57

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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.