Home / 25,095.81-34,631.70-15,533.16

Finding the Fourth Proportional to 25,095.81, 34,631.70 and 15,533.16

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Solution

The fourth proportional to 25,095.81, 34,631.70 and 15,533.16 is: 21,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,095.81 : 34,631.70 = 15,533.16 : x
  2. Step 2: Convert to fraction form
    25,095.81/34,631.70 = 15,533.16/x
  3. Step 3: Cross multiply
    25,095.81x = 34,631.70 × 15,533.16
  4. Step 4: Simplify right side
    25,095.81x = 537,939,737.17
  5. Step 5: Solve for x
    x = 537,939,737.17/25,095.81
  6. Step 6: Final answer
    x = 21,435.44

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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.