Home / 14,715.04-20,300.86-9,047.98

Finding the Fourth Proportional to 14,715.04, 20,300.86 and 9,047.98

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Solution

The fourth proportional to 14,715.04, 20,300.86 and 9,047.98 is: 12,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.04 : 20,300.86 = 9,047.98 : x
  2. Step 2: Convert to fraction form
    14,715.04/20,300.86 = 9,047.98/x
  3. Step 3: Cross multiply
    14,715.04x = 20,300.86 × 9,047.98
  4. Step 4: Simplify right side
    14,715.04x = 183,681,775.26
  5. Step 5: Solve for x
    x = 183,681,775.26/14,715.04
  6. Step 6: Final answer
    x = 12,482.59

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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.