Home / 17,875.95-26,811.72-10,383.63

Finding the Fourth Proportional to 17,875.95, 26,811.72 and 10,383.63

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Solution

The fourth proportional to 17,875.95, 26,811.72 and 10,383.63 is: 15,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.95 : 26,811.72 = 10,383.63 : x
  2. Step 2: Convert to fraction form
    17,875.95/26,811.72 = 10,383.63/x
  3. Step 3: Cross multiply
    17,875.95x = 26,811.72 × 10,383.63
  4. Step 4: Simplify right side
    17,875.95x = 278,402,980.14
  5. Step 5: Solve for x
    x = 278,402,980.14/17,875.95
  6. Step 6: Final answer
    x = 15,574.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.