Home / 18,437.36-25,443.60-10,054.40

Finding the Fourth Proportional to 18,437.36, 25,443.60 and 10,054.40

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Solution

The fourth proportional to 18,437.36, 25,443.60 and 10,054.40 is: 13,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.36 : 25,443.60 = 10,054.40 : x
  2. Step 2: Convert to fraction form
    18,437.36/25,443.60 = 10,054.40/x
  3. Step 3: Cross multiply
    18,437.36x = 25,443.60 × 10,054.40
  4. Step 4: Simplify right side
    18,437.36x = 255,820,131.84
  5. Step 5: Solve for x
    x = 255,820,131.84/18,437.36
  6. Step 6: Final answer
    x = 13,875.10

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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.