Home / 18,438.02-25,444.49-10,054.52

Finding the Fourth Proportional to 18,438.02, 25,444.49 and 10,054.52

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Solution

The fourth proportional to 18,438.02, 25,444.49 and 10,054.52 is: 13,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.02 : 25,444.49 = 10,054.52 : x
  2. Step 2: Convert to fraction form
    18,438.02/25,444.49 = 10,054.52/x
  3. Step 3: Cross multiply
    18,438.02x = 25,444.49 × 10,054.52
  4. Step 4: Simplify right side
    18,438.02x = 255,832,133.59
  5. Step 5: Solve for x
    x = 255,832,133.59/18,438.02
  6. Step 6: Final answer
    x = 13,875.25

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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.