Home / 25,688.04-35,450.16-14,357.20

Finding the Fourth Proportional to 25,688.04, 35,450.16 and 14,357.20

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Solution

The fourth proportional to 25,688.04, 35,450.16 and 14,357.20 is: 19,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.04 : 35,450.16 = 14,357.20 : x
  2. Step 2: Convert to fraction form
    25,688.04/35,450.16 = 14,357.20/x
  3. Step 3: Cross multiply
    25,688.04x = 35,450.16 × 14,357.20
  4. Step 4: Simplify right side
    25,688.04x = 508,965,037.15
  5. Step 5: Solve for x
    x = 508,965,037.15/25,688.04
  6. Step 6: Final answer
    x = 19,813.31

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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.