Home / 14,888.77-20,547.24-8,174.35

Finding the Fourth Proportional to 14,888.77, 20,547.24 and 8,174.35

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Solution

The fourth proportional to 14,888.77, 20,547.24 and 8,174.35 is: 11,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.77 : 20,547.24 = 8,174.35 : x
  2. Step 2: Convert to fraction form
    14,888.77/20,547.24 = 8,174.35/x
  3. Step 3: Cross multiply
    14,888.77x = 20,547.24 × 8,174.35
  4. Step 4: Simplify right side
    14,888.77x = 167,960,331.29
  5. Step 5: Solve for x
    x = 167,960,331.29/14,888.77
  6. Step 6: Final answer
    x = 11,281.01

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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.