Home / 22,858.96-31,547.01-12,790.63

Finding the Fourth Proportional to 22,858.96, 31,547.01 and 12,790.63

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Solution

The fourth proportional to 22,858.96, 31,547.01 and 12,790.63 is: 17,651.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,858.96 : 31,547.01 = 12,790.63 : x
  2. Step 2: Convert to fraction form
    22,858.96/31,547.01 = 12,790.63/x
  3. Step 3: Cross multiply
    22,858.96x = 31,547.01 × 12,790.63
  4. Step 4: Simplify right side
    22,858.96x = 403,506,132.52
  5. Step 5: Solve for x
    x = 403,506,132.52/22,858.96
  6. Step 6: Final answer
    x = 17,651.99

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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.