Home / 14,904.75-20,569.10-8,532.51

Finding the Fourth Proportional to 14,904.75, 20,569.10 and 8,532.51

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Solution

The fourth proportional to 14,904.75, 20,569.10 and 8,532.51 is: 11,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.75 : 20,569.10 = 8,532.51 : x
  2. Step 2: Convert to fraction form
    14,904.75/20,569.10 = 8,532.51/x
  3. Step 3: Cross multiply
    14,904.75x = 20,569.10 × 8,532.51
  4. Step 4: Simplify right side
    14,904.75x = 175,506,008.78
  5. Step 5: Solve for x
    x = 175,506,008.78/14,904.75
  6. Step 6: Final answer
    x = 11,775.17

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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.