Home / 25,395.48-35,042.70-14,783.40

Finding the Fourth Proportional to 25,395.48, 35,042.70 and 14,783.40

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Solution

The fourth proportional to 25,395.48, 35,042.70 and 14,783.40 is: 20,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,395.48 : 35,042.70 = 14,783.40 : x
  2. Step 2: Convert to fraction form
    25,395.48/35,042.70 = 14,783.40/x
  3. Step 3: Cross multiply
    25,395.48x = 35,042.70 × 14,783.40
  4. Step 4: Simplify right side
    25,395.48x = 518,050,251.18
  5. Step 5: Solve for x
    x = 518,050,251.18/25,395.48
  6. Step 6: Final answer
    x = 20,399.31

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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.