Home / 17,787.78-24,547.65-10,621.89

Finding the Fourth Proportional to 17,787.78, 24,547.65 and 10,621.89

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Solution

The fourth proportional to 17,787.78, 24,547.65 and 10,621.89 is: 14,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.78 : 24,547.65 = 10,621.89 : x
  2. Step 2: Convert to fraction form
    17,787.78/24,547.65 = 10,621.89/x
  3. Step 3: Cross multiply
    17,787.78x = 24,547.65 × 10,621.89
  4. Step 4: Simplify right side
    17,787.78x = 260,742,438.06
  5. Step 5: Solve for x
    x = 260,742,438.06/17,787.78
  6. Step 6: Final answer
    x = 14,658.51

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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.