Home / 14,165.27-19,547.56-7,877.51

Finding the Fourth Proportional to 14,165.27, 19,547.56 and 7,877.51

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Solution

The fourth proportional to 14,165.27, 19,547.56 and 7,877.51 is: 10,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.27 : 19,547.56 = 7,877.51 : x
  2. Step 2: Convert to fraction form
    14,165.27/19,547.56 = 7,877.51/x
  3. Step 3: Cross multiply
    14,165.27x = 19,547.56 × 7,877.51
  4. Step 4: Simplify right side
    14,165.27x = 153,986,099.38
  5. Step 5: Solve for x
    x = 153,986,099.38/14,165.27
  6. Step 6: Final answer
    x = 10,870.68

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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.