Home / 28,681.50-39,582.63-17,505.66

Finding the Fourth Proportional to 28,681.50, 39,582.63 and 17,505.66

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Solution

The fourth proportional to 28,681.50, 39,582.63 and 17,505.66 is: 24,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.50 : 39,582.63 = 17,505.66 : x
  2. Step 2: Convert to fraction form
    28,681.50/39,582.63 = 17,505.66/x
  3. Step 3: Cross multiply
    28,681.50x = 39,582.63 × 17,505.66
  4. Step 4: Simplify right side
    28,681.50x = 692,920,062.69
  5. Step 5: Solve for x
    x = 692,920,062.69/28,681.50
  6. Step 6: Final answer
    x = 24,159.13

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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.